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Abstract (1641) | Core Tip (1578) | Full Article (HTML) (7714) | Figures (1-2) (586) | Tables (1-4) (516) | Full Article (PDF)-1438K (1311) | Audio-1499K (1400) | Peer-Review Report-141K (335) | Answering Reviewers-290K (353) | Received: 05/22/2015 | Revised: 10/29/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (22469) | Similar Articles (4) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1676) | Core Tip (1689) | Full Article (HTML) (9446) | Figures (1-3) (631) | Full Article (PDF)-1507K (986) | Audio-490K (32) | Peer-Review Report-84K (303) | Answering Reviewers-149K (375) | Received: 06/26/2015 | Revised: 09/28/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (56) | Total Visits (22988) | Similar Articles (62) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2130) | Core Tip (1624) | Full Article (HTML) (12586) | Figures (1-11) (774) | Tables (1-2) (745) | Full Article (PDF)-2193K (1349) | Audio-545K (40) | Peer-Review Report-90K (336) | Answering Reviewers-110K (358) | Received: 04/29/2015 | Revised: 10/07/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (24) | Total Visits (27413) | Similar Articles (278) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1737) | Core Tip (1721) | Full Article (HTML) (6908) | Figures (1-1) (505) | Tables (1-1) (490) | Full Article (PDF)-1123K (961) | Audio-322K (32) | Peer-Review Report-86K (313) | Answering Reviewers-180K (309) | Received: 05/15/2015 | Revised: 08/04/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (24) | Total Visits (18499) | Similar Articles (104) | Timeline of Article Publication (1) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1738) | Core Tip (1657) | Full Article (HTML) (8049) | Full Article (PDF)-1029K (1106) | Audio-1113K (30) | Peer-Review Report-105K (311) | Answering Reviewers-312K (403) | Received: 05/06/2015 | Revised: 09/18/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (82) | Total Visits (19380) | Similar Articles (341) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1344) | Core Tip (1263) | Full Article (HTML) (4919) | Figures (1-2) (645) | Full Article (PDF)-1084K (579) | Audio-2067K (27) | Peer-Review Report-88K (232) | Answering Reviewers-81K (297) | Received: 05/11/2015 | Revised: 09/11/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14553) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1515) | Core Tip (1576) | Full Article (HTML) (5916) | Full Article (PDF)-889K (1043) | Audio-77K (28) | Peer-Review Report-119K (378) | Answering Reviewers-3K (401) | Received: 05/29/2015 | Revised: 11/17/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (17023) | Similar Articles (1024) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1608) | Core Tip (1490) | Full Article (HTML) (7303) | Full Article (PDF)-978K (1034) | Audio-616K (21) | Peer-Review Report-105K (340) | Answering Reviewers-223K (318) | Received: 04/28/2015 | Revised: 10/01/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (17744) | Similar Articles (74) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1751) | Core Tip (1611) | Full Article (HTML) (14151) | Tables (1-4) (468) | Full Article (PDF)-1031K (1699) | Audio-2163K (42) | Peer-Review Report-154K (323) | Answering Reviewers-56K (320) | Received: 05/01/2015 | Revised: 08/05/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (120) | Total Visits (28777) | Similar Articles (567) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1795) | Core Tip (1701) | Full Article (HTML) (10701) | Figures (1-2) (494) | Full Article (PDF)-1243K (1212) | Audio-780K (31) | Peer-Review Report-113K (362) | Answering Reviewers-69K (326) | Received: 05/14/2015 | Revised: 10/11/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (22644) | Similar Articles (0) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1488) | Core Tip (1504) | Full Article (HTML) (10131) | Figures (1-1) (538) | Tables (1-1) (458) | Full Article (PDF)-1280K (913) | Audio-2240K (26) | Peer-Review Report-95K (318) | Answering Reviewers-72K (317) | Received: 04/28/2015 | Revised: 09/30/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (41) | Total Visits (22064) | Similar Articles (0) | Timeline of Article Publication (4) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1595) | Core Tip (1699) | Full Article (HTML) (10426) | Figures (1-4) (577) | Tables (1-1) (464) | Full Article (PDF)-1730K (1210) | Audio-820K (37) | Peer-Review Report-105K (368) | Answering Reviewers-229K (379) | Received: 05/29/2015 | Revised: 08/14/2015 | Accepted: 10/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (104) | Total Visits (22352) | Similar Articles (382) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1529) | Core Tip (1399) | Full Article (HTML) (8993) | Tables (1-1) (457) | Full Article (PDF)-957K (826) | Audio-1050K (21) | Peer-Review Report-79K (275) | Answering Reviewers-174K (275) | Received: 04/28/2015 | Revised: 09/30/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (16) | Total Visits (19488) | Similar Articles (335) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1454) | Core Tip (1441) | Full Article (HTML) (6819) | Figures (1-3) (526) | Tables (1-1) (421) | Full Article (PDF)-1825K (957) | Audio-1433K (40) | Peer-Review Report-95K (383) | Answering Reviewers-135K (310) | Received: 07/20/2015 | Revised: 09/25/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (18403) | Similar Articles (335) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1538) | Core Tip (1590) | Full Article (HTML) (9582) | Figures (1-1) (547) | Full Article (PDF)-1163K (1150) | Audio-2477K (29) | Peer-Review Report-96K (470) | Answering Reviewers-16K (323) | Received: 05/28/2015 | Revised: 08/06/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (20742) | Similar Articles (1835) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1738) | Core Tip (1704) | Full Article (HTML) (8699) | Tables (1-3) (499) | Full Article (PDF)-980K (1473) | Audio-1860K (36) | Peer-Review Report-81K (350) | Answering Reviewers-243K (345) | Received: 04/28/2015 | Revised: 07/08/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (21054) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1428) | Core Tip (1423) | Full Article (HTML) (8325) | Figures (1-1) (519) | Tables (1-4) (499) | Full Article (PDF)-1063K (1233) | Audio-140K (36) | Peer-Review Report-109K (294) | Answering Reviewers-62K (305) | Received: 04/28/2015 | Revised: 10/14/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (73) | Total Visits (20297) | Similar Articles (520) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1464) | Core Tip (1304) | Full Article (HTML) (4725) | Tables (1-1) (486) | Full Article (PDF)-909K (728) | Audio-780K (18) | Peer-Review Report-81K (237) | Answering Reviewers-69K (315) | Received: 05/29/2015 | Revised: 10/10/2015 | Accepted: 11/24/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (13909) | Similar Articles (2) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1668) | Core Tip (1668) | Full Article (HTML) (9505) | Figures (1-3) (550) | Full Article (PDF)-1060K (1721) | Audio-830K (34) | Peer-Review Report-92K (343) | Answering Reviewers-251K (503) | Received: 04/27/2015 | Revised: 09/29/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (79) | Total Visits (21739) | Similar Articles (529) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1683) | Core Tip (1739) | Full Article (HTML) (10058) | Figures (1-1) (503) | Tables (1-4) (752) | Full Article (PDF)-1183K (1474) | Audio-595K (29) | Peer-Review Report-79K (333) | Answering Reviewers-64K (335) | Received: 04/17/2015 | Revised: 10/20/2015 | Accepted: 11/09/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (102) | Total Visits (22645) | Similar Articles (537) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1570) | Core Tip (1477) | Full Article (HTML) (5673) | Full Article (PDF)-1013K (867) | Audio-289K (35) | Peer-Review Report-141K (359) | Answering Reviewers-43K (295) | Received: 05/07/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (15856) | Similar Articles (520) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1627) | Core Tip (1687) | Full Article (HTML) (14351) | Figures (1-6) (1777) | Full Article (PDF)-1364K (1467) | Audio-102K (41) | Peer-Review Report-107K (340) | Answering Reviewers-4K (392) | Received: 04/29/2015 | Revised: 08/13/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (26644) | Similar Articles (36) | Timeline of Article Publication (8) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1437) | Core Tip (1470) | Full Article (HTML) (10655) | Figures (1-4) (601) | Full Article (PDF)-1292K (1055) | Audio-2615K (25) | Peer-Review Report-78K (334) | Answering Reviewers-73K (357) | Received: 04/28/2015 | Revised: 09/02/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (59) | Total Visits (20879) | Similar Articles (41) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1335) | Core Tip (1352) | Full Article (HTML) (5406) | Figures (1-4) (526) | Full Article (PDF)-1386K (672) | Audio-485K (13) | Peer-Review Report-82K (257) | Answering Reviewers-92K (307) | Received: 05/28/2015 | Revised: 10/14/2015 | Accepted: 11/24/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (21) | Total Visits (17313) | Similar Articles (78) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1491) | Core Tip (1403) | Full Article (HTML) (9133) | Figures (1-3) (691) | Full Article (PDF)-1287K (890) | Audio-450K (25) | Peer-Review Report-72K (358) | Answering Reviewers-170K (297) | Received: 04/28/2015 | Revised: 09/12/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (20696) | Similar Articles (69) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1377) | Core Tip (1394) | Full Article (HTML) (9210) | Full Article (PDF)-1002K (1115) | Audio-461K (46) | Peer-Review Report-89K (371) | Answering Reviewers-149K (447) | Received: 07/28/2015 | Revised: 09/14/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (59) | Total Visits (21405) | Similar Articles (273) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2250) | Core Tip (1341) | Full Article (HTML) (7146) | Figures (1-3) (539) | Tables (1-5) (511) | Full Article (PDF)-1341K (1030) | Audio-1712K (47) | Peer-Review Report-87K (341) | Answering Reviewers-24K (454) | Received: 08/08/2015 | Revised: 10/11/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (18950) | Similar Articles (2) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1544) | Core Tip (1515) | Full Article (HTML) (7438) | Figures (1-2) (531) | Tables (1-4) (519) | Full Article (PDF)-1092K (1012) | Audio-2414K (38) | Peer-Review Report-89K (349) | Answering Reviewers-48K (320) | Received: 07/31/2015 | Revised: 09/20/2015 | Accepted: 11/24/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (18709) | Similar Articles (239) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1516) | Core Tip (1517) | Full Article (HTML) (12122) | Figures (1-1) (536) | Tables (1-2) (497) | Full Article (PDF)-3193K (1488) | Audio-463K (62) | Peer-Review Report-97K (305) | Answering Reviewers-107K (356) | Received: 06/25/2015 | Revised: 08/20/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (107) | Total Visits (26121) | Similar Articles (133) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1380) | Core Tip (1349) | Full Article (HTML) (5275) | Figures (1-2) (355) | Tables (1-1) (462) | Full Article (PDF)-1670K (906) | Audio-960K (25) | Peer-Review Report-118K (318) | Answering Reviewers-196K (239) | Received: 07/22/2015 | Revised: 09/28/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (15630) | Similar Articles (13) | Timeline of Article Publication (1) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1883) | Core Tip (1839) | Full Article (HTML) (13971) | Figures (1-3) (643) | Tables (1-8) (877) | Full Article (PDF)-1424K (1637) | Audio-536K (49) | Peer-Review Report-110K (425) | Answering Reviewers-337K (596) | Received: 04/28/2015 | Revised: 10/11/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (105) | Total Visits (29324) | Similar Articles (753) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1436) | Core Tip (1507) | Full Article (HTML) (5347) | Figures (1-1) (503) | Tables (1-4) (496) | Full Article (PDF)-1163K (963) | Audio-719K (24) | Peer-Review Report-121K (270) | Answering Reviewers-126K (283) | Received: 05/30/2015 | Revised: 08/20/2015 | Accepted: 10/29/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (16103) | Similar Articles (1) | Timeline of Article Publication (1) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1485) | Core Tip (1688) | Full Article (HTML) (6640) | Tables (1-2) (597) | Full Article (PDF)-1043K (1156) | Audio-815K (23) | Peer-Review Report-78K (402) | Answering Reviewers-60K (396) | Received: 07/27/2015 | Revised: 09/26/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (48) | Total Visits (18312) | Similar Articles (149) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1546) | Core Tip (1486) | Full Article (HTML) (6254) | Figures (1-3) (539) | Tables (1-1) (530) | Full Article (PDF)-933K (847) | Audio-736K (17) | Peer-Review Report-77K (324) | Answering Reviewers-38K (343) | Received: 04/05/2015 | Revised: 07/14/2015 | Accepted: 11/09/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (88) | Total Visits (19096) | Similar Articles (232) | Timeline of Article Publication (8) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1329) | Core Tip (1698) | Full Article (HTML) (3155) | Full Article (PDF)-703K (518) | Audio-3696K (17) | Peer-Review Report-84K (295) | Answering Reviewers-39K (268) | Received: 04/18/2015 | Revised: 07/02/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (13417) | Similar Articles (521) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open