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Abstract (1498) | Core Tip (1507) | Full Article (HTML) (9477) | Figures (1-9) (1333) | Tables (1-2) (499) | Full Article (PDF)-2937K (881) | Peer-Review Report-76K (293) | Answering Reviewers-56K (339) | Received: 08/29/2014 | Revised: 03/04/2015 | Accepted: 04/29/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (24198) | Similar Articles (1757) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1255) | Core Tip (1225) | Full Article (HTML) (4194) | Tables (1-1) (488) | Full Article (PDF)-952K (577) | Peer-Review Report-149K (279) | Answering Reviewers-316K (390) | Received: 11/29/2014 | Revised: 02/23/2015 | Accepted: 04/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (17) | Total Visits (13823) | Similar Articles (649) | 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 (1258) | Core Tip (1068) | Full Article (HTML) (5522) | Tables (1-2) (362) | Full Article (PDF)-995K (481) | Peer-Review Report-82K (229) | Answering Reviewers-19K (214) | Received: 09/17/2014 | Revised: 12/22/2014 | Accepted: 05/11/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (14451) | Similar Articles (1801) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1212) | Core Tip (1253) | Full Article (HTML) (6107) | Figures (1-1) (431) | Tables (1-6) (494) | Full Article (PDF)-1044K (592) | Peer-Review Report-134K (352) | Answering Reviewers-125K (317) | Received: 01/10/2015 | Revised: 03/16/2015 | Accepted: 04/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (27) | Total Visits (16120) | Similar Articles (1764) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1303) | Core Tip (1158) | Full Article (HTML) (9991) | Figures (1-1) (479) | Tables (1-2) (405) | Full Article (PDF)-997K (963) | Peer-Review Report-99K (325) | Answering Reviewers-194K (263) | Received: 09/23/2014 | Revised: 02/12/2015 | Accepted: 04/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (20093) | Similar Articles (1806) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1104) | Core Tip (1148) | Full Article (HTML) (3742) | Tables (1-1) (418) | Full Article (PDF)-951K (460) | Peer-Review Report-97K (233) | Answering Reviewers-43K (302) | Received: 11/27/2014 | Revised: 02/10/2015 | Accepted: 04/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (11799) | Similar Articles (1886) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1187) | Core Tip (1150) | Full Article (HTML) (6997) | Tables (1-2) (501) | Full Article (PDF)-998K (851) | Peer-Review Report-86K (275) | Answering Reviewers-81K (222) | Received: 09/17/2014 | Revised: 01/30/2015 | Accepted: 04/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (15591) | Similar Articles (2111) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1211) | Core Tip (1231) | Full Article (HTML) (4152) | Tables (1-1) (461) | Full Article (PDF)-781K (534) | Peer-Review Report-67K (232) | Answering Reviewers-83K (267) | Received: 12/10/2014 | Revised: 01/30/2015 | Accepted: 04/20/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (14540) | Similar Articles (1757) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1499) | Core Tip (1166) | Full Article (HTML) (3706) | Figures (1-1) (394) | Tables (1-4) (413) | Full Article (PDF)-1027K (533) | Peer-Review Report-101K (259) | Answering Reviewers-22K (246) | Received: 02/08/2015 | Revised: 03/31/2015 | Accepted: 04/20/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14133) | Similar Articles (198) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open