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Abstract (1497) | Core Tip (1470) | Full Article (HTML) (7412) | Figures (1-2) (528) | Tables (1-4) (453) | Full Article (PDF)-1438K (1255) | Audio-1499K (1124) | Peer-Review Report-141K (303) | Answering Reviewers-290K (312) | Received: 05/22/2015 | Revised: 10/29/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (20838) | Similar Articles (4) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1580) | Core Tip (1577) | Full Article (HTML) (9052) | Figures (1-3) (552) | Full Article (PDF)-1507K (949) | Audio-490K (28) | Peer-Review Report-84K (278) | Answering Reviewers-149K (347) | Received: 06/26/2015 | Revised: 09/28/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (21540) | Similar Articles (61) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1971) | Core Tip (1517) | Full Article (HTML) (11691) | Figures (1-11) (653) | Tables (1-2) (638) | Full Article (PDF)-2193K (1272) | Audio-545K (33) | Peer-Review Report-90K (306) | Answering Reviewers-110K (326) | Received: 04/29/2015 | Revised: 10/07/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (25206) | Similar Articles (276) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1616) | Core Tip (1579) | Full Article (HTML) (6583) | Figures (1-1) (445) | Tables (1-1) (427) | Full Article (PDF)-1123K (867) | Audio-322K (32) | Peer-Review Report-86K (280) | Answering Reviewers-180K (279) | Received: 05/15/2015 | Revised: 08/04/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (17168) | Similar Articles (101) | Timeline of Article Publication (1) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1625) | Core Tip (1545) | Full Article (HTML) (7719) | Full Article (PDF)-1029K (1054) | Audio-1113K (23) | Peer-Review Report-105K (270) | Answering Reviewers-312K (359) | Received: 05/06/2015 | Revised: 09/18/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (80) | Total Visits (18231) | Similar Articles (335) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1254) | Core Tip (1134) | Full Article (HTML) (4743) | Figures (1-2) (571) | Full Article (PDF)-1084K (491) | Audio-2067K (21) | Peer-Review Report-88K (204) | Answering Reviewers-81K (269) | Received: 05/11/2015 | Revised: 09/11/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (13523) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1404) | Core Tip (1471) | Full Article (HTML) (5608) | Full Article (PDF)-889K (999) | Audio-77K (23) | Peer-Review Report-119K (331) | Answering Reviewers-3K (353) | Received: 05/29/2015 | Revised: 11/17/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (15816) | Similar Articles (1006) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1501) | Core Tip (1383) | Full Article (HTML) (6948) | Full Article (PDF)-978K (948) | Audio-616K (21) | Peer-Review Report-105K (312) | Answering Reviewers-223K (292) | Received: 04/28/2015 | Revised: 10/01/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (16617) | Similar Articles (73) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1640) | Core Tip (1508) | Full Article (HTML) (13816) | Tables (1-4) (404) | Full Article (PDF)-1031K (1639) | Audio-2163K (39) | Peer-Review Report-154K (297) | Answering Reviewers-56K (292) | Received: 05/01/2015 | Revised: 08/05/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (118) | Total Visits (27424) | Similar Articles (556) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1654) | Core Tip (1600) | Full Article (HTML) (9604) | Figures (1-2) (438) | Full Article (PDF)-1243K (1153) | Audio-780K (24) | Peer-Review Report-113K (330) | Answering Reviewers-69K (298) | Received: 05/14/2015 | Revised: 10/11/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (20578) | Similar Articles (0) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1376) | Core Tip (1390) | Full Article (HTML) (8351) | Figures (1-1) (473) | Tables (1-1) (402) | Full Article (PDF)-1280K (859) | Audio-2240K (19) | Peer-Review Report-95K (273) | Answering Reviewers-72K (290) | Received: 04/28/2015 | Revised: 09/30/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (19343) | Similar Articles (0) | Timeline of Article Publication (4) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1496) | Core Tip (1603) | Full Article (HTML) (10169) | Figures (1-4) (521) | Tables (1-1) (404) | Full Article (PDF)-1730K (1150) | Audio-820K (31) | Peer-Review Report-105K (348) | Answering Reviewers-229K (352) | Received: 05/29/2015 | Revised: 08/14/2015 | Accepted: 10/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (101) | Total Visits (21265) | Similar Articles (377) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1406) | Core Tip (1313) | Full Article (HTML) (5986) | Tables (1-1) (395) | Full Article (PDF)-957K (787) | Audio-1050K (16) | Peer-Review Report-79K (249) | Answering Reviewers-174K (256) | Received: 04/28/2015 | Revised: 09/30/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (16) | Total Visits (15621) | Similar Articles (331) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1362) | Core Tip (1352) | Full Article (HTML) (6551) | Figures (1-3) (452) | Tables (1-1) (371) | Full Article (PDF)-1825K (915) | Audio-1433K (36) | Peer-Review Report-95K (358) | Answering Reviewers-135K (285) | Received: 07/20/2015 | Revised: 09/25/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (17332) | Similar Articles (331) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1412) | Core Tip (1496) | Full Article (HTML) (7872) | Figures (1-1) (471) | Full Article (PDF)-1163K (1053) | Audio-2477K (23) | Peer-Review Report-96K (437) | Answering Reviewers-16K (290) | Received: 05/28/2015 | Revised: 08/06/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (18194) | Similar Articles (1757) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1627) | Core Tip (1560) | Full Article (HTML) (8275) | Tables (1-3) (416) | Full Article (PDF)-980K (1423) | Audio-1860K (25) | Peer-Review Report-81K (303) | Answering Reviewers-243K (319) | Received: 04/28/2015 | Revised: 07/08/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (43) | Total Visits (19605) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1326) | Core Tip (1328) | Full Article (HTML) (7720) | Figures (1-1) (444) | Tables (1-4) (445) | Full Article (PDF)-1063K (1190) | Audio-140K (32) | Peer-Review Report-109K (273) | Answering Reviewers-62K (271) | Received: 04/28/2015 | Revised: 10/14/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (68) | Total Visits (18734) | Similar Articles (499) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1352) | Core Tip (1203) | Full Article (HTML) (4511) | Tables (1-1) (425) | Full Article (PDF)-909K (693) | Audio-780K (15) | Peer-Review Report-81K (215) | Answering Reviewers-69K (291) | Received: 05/29/2015 | Revised: 10/10/2015 | Accepted: 11/24/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (12937) | Similar Articles (2) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1552) | Core Tip (1536) | Full Article (HTML) (8973) | Figures (1-3) (479) | Full Article (PDF)-1060K (1651) | Audio-830K (27) | Peer-Review Report-92K (317) | Answering Reviewers-251K (476) | Received: 04/27/2015 | Revised: 09/29/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (78) | Total Visits (20266) | Similar Articles (508) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1557) | Core Tip (1594) | Full Article (HTML) (9452) | Figures (1-1) (442) | Tables (1-4) (655) | Full Article (PDF)-1183K (1361) | Audio-595K (22) | Peer-Review Report-79K (302) | Answering Reviewers-64K (307) | Received: 04/17/2015 | Revised: 10/20/2015 | Accepted: 11/09/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (98) | Total Visits (20907) | Similar Articles (516) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1464) | Core Tip (1386) | Full Article (HTML) (5444) | Full Article (PDF)-1013K (786) | Audio-289K (31) | Peer-Review Report-141K (330) | Answering Reviewers-43K (265) | Received: 05/07/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (14838) | Similar Articles (499) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1506) | Core Tip (1577) | Full Article (HTML) (13720) | Figures (1-6) (1524) | Full Article (PDF)-1364K (1401) | Audio-102K (36) | Peer-Review Report-107K (310) | Answering Reviewers-4K (359) | Received: 04/29/2015 | Revised: 08/13/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (25029) | Similar Articles (35) | Timeline of Article Publication (8) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1345) | Core Tip (1350) | Full Article (HTML) (10275) | Figures (1-4) (530) | Full Article (PDF)-1292K (984) | Audio-2615K (21) | Peer-Review Report-78K (291) | Answering Reviewers-73K (312) | Received: 04/28/2015 | Revised: 09/02/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (19517) | Similar Articles (41) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1232) | Core Tip (1244) | Full Article (HTML) (5160) | Figures (1-4) (449) | Full Article (PDF)-1386K (631) | Audio-485K (13) | Peer-Review Report-82K (234) | Answering Reviewers-92K (261) | Received: 05/28/2015 | Revised: 10/14/2015 | Accepted: 11/24/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (21) | Total Visits (15926) | Similar Articles (71) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1387) | Core Tip (1312) | Full Article (HTML) (8578) | Figures (1-3) (621) | Full Article (PDF)-1287K (840) | Audio-450K (18) | Peer-Review Report-72K (317) | Answering Reviewers-170K (269) | Received: 04/28/2015 | Revised: 09/12/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (19120) | Similar Articles (69) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1286) | Core Tip (1303) | Full Article (HTML) (8585) | Full Article (PDF)-1002K (1036) | Audio-461K (30) | Peer-Review Report-89K (346) | Answering Reviewers-149K (416) | Received: 07/28/2015 | Revised: 09/14/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (59) | Total Visits (19801) | Similar Articles (254) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2140) | Core Tip (1237) | Full Article (HTML) (6768) | Figures (1-3) (471) | Tables (1-5) (457) | Full Article (PDF)-1341K (989) | Audio-1712K (41) | Peer-Review Report-87K (298) | Answering Reviewers-24K (428) | Received: 08/08/2015 | Revised: 10/11/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (17659) | Similar Articles (2) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1431) | Core Tip (1411) | Full Article (HTML) (7196) | Figures (1-2) (465) | Tables (1-4) (462) | Full Article (PDF)-1092K (969) | Audio-2414K (33) | Peer-Review Report-89K (318) | Answering Reviewers-48K (291) | Received: 07/31/2015 | Revised: 09/20/2015 | Accepted: 11/24/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (17655) | Similar Articles (237) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1409) | Core Tip (1419) | Full Article (HTML) (9269) | Figures (1-1) (472) | Tables (1-2) (435) | Full Article (PDF)-3193K (1417) | Audio-463K (55) | Peer-Review Report-97K (275) | Answering Reviewers-107K (310) | Received: 06/25/2015 | Revised: 08/20/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (99) | Total Visits (22070) | Similar Articles (127) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1281) | Core Tip (1254) | Full Article (HTML) (4946) | Figures (1-2) (309) | Tables (1-1) (408) | Full Article (PDF)-1670K (833) | Audio-960K (22) | Peer-Review Report-118K (290) | Answering Reviewers-196K (208) | Received: 07/22/2015 | Revised: 09/28/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (38) | Total Visits (14341) | Similar Articles (12) | Timeline of Article Publication (1) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1709) | Core Tip (1659) | Full Article (HTML) (13358) | Figures (1-3) (547) | Tables (1-8) (737) | Full Article (PDF)-1424K (1575) | Audio-536K (42) | Peer-Review Report-110K (370) | Answering Reviewers-337K (543) | Received: 04/28/2015 | Revised: 10/11/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (103) | Total Visits (27331) | Similar Articles (742) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1302) | Core Tip (1415) | Full Article (HTML) (5111) | Figures (1-1) (439) | Tables (1-4) (427) | Full Article (PDF)-1163K (928) | Audio-719K (20) | Peer-Review Report-121K (239) | Answering Reviewers-126K (255) | Received: 05/30/2015 | Revised: 08/20/2015 | Accepted: 10/29/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (17) | Total Visits (15029) | 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 (1343) | Core Tip (1559) | Full Article (HTML) (6249) | Tables (1-2) (503) | Full Article (PDF)-1043K (1090) | Audio-815K (17) | Peer-Review Report-78K (369) | Answering Reviewers-60K (368) | Received: 07/27/2015 | Revised: 09/26/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (16877) | Similar Articles (142) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1452) | Core Tip (1385) | Full Article (HTML) (5996) | Figures (1-3) (470) | Tables (1-1) (461) | Full Article (PDF)-933K (805) | Audio-736K (13) | Peer-Review Report-77K (294) | Answering Reviewers-38K (311) | Received: 04/05/2015 | Revised: 07/14/2015 | Accepted: 11/09/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (86) | Total Visits (17736) | Similar Articles (224) | Timeline of Article Publication (8) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1234) | Core Tip (1561) | Full Article (HTML) (2898) | Full Article (PDF)-703K (490) | Audio-3696K (14) | Peer-Review Report-84K (258) | Answering Reviewers-39K (222) | Received: 04/18/2015 | Revised: 07/02/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (12210) | Similar Articles (508) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open