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Abstract (1472) | Core Tip (1447) | Full Article (HTML) (7359) | Figures (1-2) (519) | Tables (1-4) (441) | Full Article (PDF)-1438K (1241) | Audio-1499K (1094) | Peer-Review Report-141K (294) | Answering Reviewers-290K (308) | Received: 05/22/2015 | Revised: 10/29/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (20500) | Similar Articles (4) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1552) | Core Tip (1548) | Full Article (HTML) (8953) | Figures (1-3) (538) | Full Article (PDF)-1507K (928) | Audio-490K (28) | Peer-Review Report-84K (273) | Answering Reviewers-149K (341) | Received: 06/26/2015 | Revised: 09/28/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (21157) | Similar Articles (61) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1929) | Core Tip (1491) | Full Article (HTML) (11503) | Figures (1-11) (635) | Tables (1-2) (608) | Full Article (PDF)-2193K (1264) | Audio-545K (33) | Peer-Review Report-90K (298) | Answering Reviewers-110K (314) | Received: 04/29/2015 | Revised: 10/07/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (24742) | Similar Articles (275) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1587) | Core Tip (1553) | Full Article (HTML) (6514) | Figures (1-1) (434) | Tables (1-1) (416) | Full Article (PDF)-1123K (855) | Audio-322K (32) | Peer-Review Report-86K (271) | Answering Reviewers-180K (272) | Received: 05/15/2015 | Revised: 08/04/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (16916) | 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 (1590) | Core Tip (1522) | Full Article (HTML) (7630) | Full Article (PDF)-1029K (1035) | Audio-1113K (23) | Peer-Review Report-105K (259) | Answering Reviewers-312K (348) | Received: 05/06/2015 | Revised: 09/18/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (80) | Total Visits (17920) | Similar Articles (335) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1230) | Core Tip (1108) | Full Article (HTML) (4701) | Figures (1-2) (556) | Full Article (PDF)-1084K (478) | Audio-2067K (21) | Peer-Review Report-88K (197) | Answering Reviewers-81K (261) | Received: 05/11/2015 | Revised: 09/11/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (13311) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1382) | Core Tip (1447) | Full Article (HTML) (5528) | Full Article (PDF)-889K (989) | Audio-77K (23) | Peer-Review Report-119K (321) | Answering Reviewers-3K (343) | Received: 05/29/2015 | Revised: 11/17/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (15573) | Similar Articles (1005) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1476) | Core Tip (1358) | Full Article (HTML) (6848) | Full Article (PDF)-978K (936) | Audio-616K (21) | Peer-Review Report-105K (300) | Answering Reviewers-223K (282) | Received: 04/28/2015 | Revised: 10/01/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (16308) | Similar Articles (73) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1612) | Core Tip (1477) | Full Article (HTML) (13733) | Tables (1-4) (382) | Full Article (PDF)-1031K (1623) | Audio-2163K (39) | Peer-Review Report-154K (287) | Answering Reviewers-56K (285) | Received: 05/01/2015 | Revised: 08/05/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (118) | Total Visits (27048) | Similar Articles (556) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1629) | Core Tip (1576) | Full Article (HTML) (9533) | Figures (1-2) (427) | Full Article (PDF)-1243K (1132) | Audio-780K (24) | Peer-Review Report-113K (317) | Answering Reviewers-69K (292) | Received: 05/14/2015 | Revised: 10/11/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (20294) | Similar Articles (0) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1355) | Core Tip (1370) | Full Article (HTML) (8274) | Figures (1-1) (458) | Tables (1-1) (389) | Full Article (PDF)-1280K (843) | Audio-2240K (19) | Peer-Review Report-95K (262) | Answering Reviewers-72K (283) | Received: 04/28/2015 | Revised: 09/30/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (19003) | Similar Articles (0) | Timeline of Article Publication (4) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1476) | Core Tip (1580) | Full Article (HTML) (10100) | Figures (1-4) (500) | Tables (1-1) (390) | Full Article (PDF)-1730K (1137) | Audio-820K (30) | Peer-Review Report-105K (340) | Answering Reviewers-229K (345) | Received: 05/29/2015 | Revised: 08/14/2015 | Accepted: 10/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (100) | Total Visits (21020) | Similar Articles (377) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1384) | Core Tip (1298) | Full Article (HTML) (5941) | Tables (1-1) (383) | Full Article (PDF)-957K (769) | Audio-1050K (16) | Peer-Review Report-79K (238) | Answering Reviewers-174K (249) | Received: 04/28/2015 | Revised: 09/30/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (16) | Total Visits (15384) | Similar Articles (331) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1339) | Core Tip (1333) | Full Article (HTML) (6490) | Figures (1-3) (432) | Tables (1-1) (360) | Full Article (PDF)-1825K (897) | Audio-1433K (36) | Peer-Review Report-95K (342) | Answering Reviewers-135K (274) | Received: 07/20/2015 | Revised: 09/25/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (17045) | Similar Articles (331) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1385) | Core Tip (1469) | Full Article (HTML) (7816) | Figures (1-1) (451) | Full Article (PDF)-1163K (1031) | Audio-2477K (23) | Peer-Review Report-96K (421) | Answering Reviewers-16K (280) | Received: 05/28/2015 | Revised: 08/06/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (17918) | Similar Articles (1745) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1601) | Core Tip (1541) | Full Article (HTML) (8195) | Tables (1-3) (399) | Full Article (PDF)-980K (1416) | Audio-1860K (25) | Peer-Review Report-81K (290) | Answering Reviewers-243K (313) | Received: 04/28/2015 | Revised: 07/08/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (43) | Total Visits (19322) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1301) | Core Tip (1301) | Full Article (HTML) (7591) | Figures (1-1) (431) | Tables (1-4) (433) | Full Article (PDF)-1063K (1185) | Audio-140K (30) | Peer-Review Report-109K (266) | Answering Reviewers-62K (263) | Received: 04/28/2015 | Revised: 10/14/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (68) | Total Visits (18403) | Similar Articles (496) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1321) | Core Tip (1173) | Full Article (HTML) (4446) | Tables (1-1) (407) | Full Article (PDF)-909K (687) | Audio-780K (12) | Peer-Review Report-81K (205) | Answering Reviewers-69K (285) | Received: 05/29/2015 | Revised: 10/10/2015 | Accepted: 11/24/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (12680) | Similar Articles (2) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1518) | Core Tip (1506) | Full Article (HTML) (8861) | Figures (1-3) (466) | Full Article (PDF)-1060K (1632) | Audio-830K (25) | Peer-Review Report-92K (305) | Answering Reviewers-251K (460) | Received: 04/27/2015 | Revised: 09/29/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (78) | Total Visits (19942) | Similar Articles (505) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1519) | Core Tip (1556) | Full Article (HTML) (9313) | Figures (1-1) (430) | Tables (1-4) (620) | Full Article (PDF)-1183K (1337) | Audio-595K (22) | Peer-Review Report-79K (294) | Answering Reviewers-64K (297) | Received: 04/17/2015 | Revised: 10/20/2015 | Accepted: 11/09/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (95) | Total Visits (20514) | Similar Articles (512) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1432) | Core Tip (1352) | Full Article (HTML) (5396) | Full Article (PDF)-1013K (772) | Audio-289K (31) | Peer-Review Report-141K (319) | Answering Reviewers-43K (259) | Received: 05/07/2015 | Accepted: 11/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (14611) | Similar Articles (496) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1487) | Core Tip (1548) | Full Article (HTML) (13612) | Figures (1-6) (1486) | Full Article (PDF)-1364K (1382) | Audio-102K (36) | Peer-Review Report-107K (303) | Answering Reviewers-4K (350) | Received: 04/29/2015 | Revised: 08/13/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (24719) | Similar Articles (35) | Timeline of Article Publication (8) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1320) | Core Tip (1324) | Full Article (HTML) (10177) | Figures (1-4) (514) | Full Article (PDF)-1292K (970) | Audio-2615K (21) | Peer-Review Report-78K (281) | Answering Reviewers-73K (299) | Received: 04/28/2015 | Revised: 09/02/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (55) | Total Visits (19227) | Similar Articles (41) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1213) | Core Tip (1222) | Full Article (HTML) (5113) | Figures (1-4) (430) | Full Article (PDF)-1386K (620) | Audio-485K (13) | Peer-Review Report-82K (225) | Answering Reviewers-92K (250) | Received: 05/28/2015 | Revised: 10/14/2015 | Accepted: 11/24/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (21) | Total Visits (15618) | Similar Articles (71) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1360) | Core Tip (1280) | Full Article (HTML) (8469) | Figures (1-3) (598) | Full Article (PDF)-1287K (820) | Audio-450K (18) | Peer-Review Report-72K (303) | Answering Reviewers-170K (256) | Received: 04/28/2015 | Revised: 09/12/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (18767) | Similar Articles (69) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1268) | Core Tip (1280) | Full Article (HTML) (8430) | Full Article (PDF)-1002K (1026) | Audio-461K (28) | Peer-Review Report-89K (336) | Answering Reviewers-149K (402) | Received: 07/28/2015 | Revised: 09/14/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (59) | Total Visits (19403) | Similar Articles (253) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2112) | Core Tip (1212) | Full Article (HTML) (6649) | Figures (1-3) (459) | Tables (1-5) (434) | Full Article (PDF)-1341K (977) | Audio-1712K (41) | Peer-Review Report-87K (285) | Answering Reviewers-24K (420) | Received: 08/08/2015 | Revised: 10/11/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (17318) | Similar Articles (2) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1392) | Core Tip (1380) | Full Article (HTML) (7138) | Figures (1-2) (448) | Tables (1-4) (443) | Full Article (PDF)-1092K (955) | Audio-2414K (33) | Peer-Review Report-89K (305) | Answering Reviewers-48K (277) | Received: 07/31/2015 | Revised: 09/20/2015 | Accepted: 11/24/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (17340) | Similar Articles (237) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1377) | Core Tip (1391) | Full Article (HTML) (9090) | Figures (1-1) (459) | Tables (1-2) (417) | Full Article (PDF)-3193K (1403) | Audio-463K (55) | Peer-Review Report-97K (265) | Answering Reviewers-107K (289) | Received: 06/25/2015 | Revised: 08/20/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (98) | Total Visits (21620) | Similar Articles (125) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1259) | Core Tip (1216) | Full Article (HTML) (4864) | Figures (1-2) (297) | Tables (1-1) (394) | Full Article (PDF)-1670K (809) | Audio-960K (22) | Peer-Review Report-118K (279) | Answering Reviewers-196K (201) | Received: 07/22/2015 | Revised: 09/28/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (14004) | 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 (1674) | Core Tip (1627) | Full Article (HTML) (13212) | Figures (1-3) (526) | Tables (1-8) (700) | Full Article (PDF)-1424K (1559) | Audio-536K (42) | Peer-Review Report-110K (363) | Answering Reviewers-337K (532) | Received: 04/28/2015 | Revised: 10/11/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (101) | Total Visits (26911) | Similar Articles (742) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1281) | Core Tip (1390) | Full Article (HTML) (5062) | Figures (1-1) (421) | Tables (1-4) (412) | Full Article (PDF)-1163K (915) | Audio-719K (18) | Peer-Review Report-121K (224) | Answering Reviewers-126K (242) | Received: 05/30/2015 | Revised: 08/20/2015 | Accepted: 10/29/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (17) | Total Visits (14776) | 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 (1308) | Core Tip (1528) | Full Article (HTML) (6149) | Tables (1-2) (484) | Full Article (PDF)-1043K (1075) | Audio-815K (17) | Peer-Review Report-78K (360) | Answering Reviewers-60K (357) | Received: 07/27/2015 | Revised: 09/26/2015 | Accepted: 12/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (16551) | Similar Articles (141) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1423) | Core Tip (1354) | Full Article (HTML) (5917) | Figures (1-3) (453) | Tables (1-1) (443) | Full Article (PDF)-933K (796) | Audio-736K (13) | Peer-Review Report-77K (285) | Answering Reviewers-38K (296) | Received: 04/05/2015 | Revised: 07/14/2015 | Accepted: 11/09/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (86) | Total Visits (17402) | Similar Articles (223) | Timeline of Article Publication (8) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1198) | Core Tip (1520) | Full Article (HTML) (2860) | Full Article (PDF)-703K (479) | Audio-3696K (12) | Peer-Review Report-84K (247) | Answering Reviewers-39K (208) | Received: 04/18/2015 | Revised: 07/02/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (11924) | Similar Articles (508) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open