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Abstract (1118) | Core Tip (1174) | Full Article (HTML) (5050) | Tables (1-1) (426) | Full Article (PDF)-732K (609) | Peer-Review Report-126K (237) | Answering Reviewers-164K (252) | Received: 03/15/2015 | Revised: 05/08/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (13025) | Similar Articles (615) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2775) | Core Tip (2372) | Full Article (HTML) (143966) | Figures (1-3) (1723) | Full Article (PDF)-1029K (4209) | Peer-Review Report-133K (494) | Answering Reviewers-58K (569) | Received: 01/26/2015 | Revised: 04/21/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (221) | Total Visits (165649) | Similar Articles (291) | Timeline of Article Publication (11) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1706) | Core Tip (1324) | Full Article (HTML) (18576) | Figures (1-2) (800) | Tables (1-1) (403) | Full Article (PDF)-915K (1843) | Peer-Review Report-98K (318) | Answering Reviewers-311K (358) | Received: 05/09/2015 | Revised: 06/13/2015 | Accepted: 07/08/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (140) | Total Visits (32350) | Similar Articles (15) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1243) | Core Tip (1333) | Full Article (HTML) (11574) | Tables (1-1) (441) | Full Article (PDF)-855K (882) | Peer-Review Report-101K (272) | Answering Reviewers-160K (246) | Received: 03/27/2015 | Revised: 05/09/2015 | Accepted: 07/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (83) | Total Visits (21137) | Similar Articles (1019) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1247) | Core Tip (1372) | Full Article (HTML) (8469) | Figures (1-2) (580) | Tables (1-2) (378) | Full Article (PDF)-967K (755) | Peer-Review Report-96K (221) | Answering Reviewers-151K (307) | Received: 03/13/2015 | Revised: 05/10/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (20089) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1596) | Core Tip (1395) | Full Article (HTML) (10134) | Figures (1-1) (524) | Tables (1-3) (355) | Full Article (PDF)-1165K (1068) | Peer-Review Report-104K (342) | Answering Reviewers-94K (302) | Received: 02/03/2015 | Revised: 05/12/2015 | Accepted: 07/18/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (109) | Total Visits (22829) | Similar Articles (26) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1244) | Core Tip (1059) | Full Article (HTML) (4160) | Figures (1-2) (409) | Tables (1-2) (388) | Full Article (PDF)-971K (462) | Peer-Review Report-86K (220) | Answering Reviewers-110K (211) | Received: 01/03/2015 | Revised: 03/22/2015 | Accepted: 05/07/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (14541) | Similar Articles (352) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1065) | Core Tip (1117) | Full Article (HTML) (4094) | Figures (1-4) (414) | Tables (1-1) (378) | Full Article (PDF)-1595K (472) | Peer-Review Report-123K (216) | Answering Reviewers-267K (240) | Received: 03/11/2015 | Revised: 06/17/2015 | Accepted: 07/08/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (13049) | Similar Articles (1238) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1253) | Core Tip (1220) | Full Article (HTML) (5210) | Figures (1-4) (389) | Tables (1-2) (358) | Full Article (PDF)-1322K (645) | Peer-Review Report-127K (261) | Answering Reviewers-120K (291) | Received: 01/28/2015 | Revised: 04/07/2015 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (15206) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1242) | Core Tip (1133) | Full Article (HTML) (4367) | Figures (1-5) (375) | Tables (1-3) (400) | Full Article (PDF)-2023K (641) | Peer-Review Report-163K (253) | Answering Reviewers-258K (229) | Received: 03/09/2015 | Revised: 05/21/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (17) | Total Visits (14206) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1325) | Core Tip (1367) | Full Article (HTML) (6921) | Figures (1-1) (410) | Tables (1-4) (365) | Full Article (PDF)-883K (956) | Peer-Review Report-132K (311) | Answering Reviewers-103K (250) | Received: 12/05/2014 | Revised: 02/28/2015 | Accepted: 04/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (16653) | Similar Articles (237) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1111) | Core Tip (1148) | Full Article (HTML) (3615) | Figures (1-1) (403) | Tables (1-3) (368) | Full Article (PDF)-786K (561) | Peer-Review Report-97K (194) | Answering Reviewers-99K (219) | Received: 03/10/2015 | Revised: 04/15/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (12365) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1131) | Core Tip (1158) | Full Article (HTML) (4205) | Figures (1-3) (383) | Tables (1-1) (374) | Full Article (PDF)-1124K (411) | Peer-Review Report-97K (237) | Answering Reviewers-186K (179) | Received: 01/20/2015 | Revised: 03/20/2015 | Accepted: 04/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (12292) | Similar Articles (5) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1244) | Core Tip (1294) | Full Article (HTML) (5123) | Figures (1-1) (614) | Tables (1-4) (369) | Full Article (PDF)-1072K (566) | Peer-Review Report-158K (396) | Answering Reviewers-180K (243) | Received: 01/22/2015 | Revised: 03/30/2015 | Accepted: 05/07/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (15210) | Similar Articles (23) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1198) | Core Tip (1256) | Full Article (HTML) (4640) | Figures (1-4) (427) | Tables (1-6) (337) | Full Article (PDF)-862K (639) | Peer-Review Report-92K (244) | Answering Reviewers-96K (240) | Received: 11/02/2014 | Revised: 03/11/2015 | Accepted: 04/17/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (14507) | Similar Articles (1) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1126) | Core Tip (998) | Full Article (HTML) (4073) | Figures (1-2) (367) | Tables (1-5) (378) | Full Article (PDF)-2050K (481) | Peer-Review Report-148K (250) | Answering Reviewers-212K (229) | Received: 04/07/2015 | Revised: 05/13/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (13349) | Similar Articles (1176) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1099) | Core Tip (1034) | Full Article (HTML) (3352) | Figures (1-1) (419) | Tables (1-2) (398) | Full Article (PDF)-838K (366) | Peer-Review Report-79K (176) | Answering Reviewers-88K (248) | Received: 07/24/2014 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (11039) | Similar Articles (12) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1091) | Core Tip (1085) | Full Article (HTML) (4050) | Figures (1-1) (391) | Tables (1-3) (383) | Full Article (PDF)-870K (427) | Peer-Review Report-116K (246) | Answering Reviewers-101K (175) | Received: 09/30/2014 | Revised: 12/21/2014 | Accepted: 04/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (13146) | Similar Articles (294) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1047) | Core Tip (1161) | Full Article (HTML) (4275) | Figures (1-4) (406) | Full Article (PDF)-796K (614) | Peer-Review Report-108K (277) | Answering Reviewers-194K (257) | Received: 03/07/2015 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (27) | Total Visits (12647) | Similar Articles (335) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1381) | Core Tip (1166) | Full Article (HTML) (3759) | Figures (1-3) (409) | Full Article (PDF)-1201K (414) | Peer-Review Report-82K (255) | Answering Reviewers-93K (261) | Received: 05/11/2014 | Revised: 07/08/2014 | Accepted: 08/28/2014 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (12427) | Similar Articles (219) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1118) | Core Tip (1094) | Full Article (HTML) (3027) | Figures (1-2) (451) | Tables (1-1) (361) | Full Article (PDF)-1418K (342) | Peer-Review Report-123K (175) | Answering Reviewers-26K (169) | Received: 04/09/2015 | Revised: 05/11/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (10777) | Similar Articles (18) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1195) | Core Tip (1198) | Full Article (HTML) (3798) | Figures (1-1) (471) | Full Article (PDF)-805K (391) | Peer-Review Report-91K (243) | Answering Reviewers-172K (212) | Received: 02/03/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (11131) | Similar Articles (12) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open