Abstract (1682) | Core Tip (1569) | Full Article (HTML) (8156) | Full Article (PDF)-837K (845) | Peer-Review Report-80K (311) | Answering Reviewers-216K (335) | Received: 10/07/2013 | Revised: 01/16/2014 | Accepted: 03/04/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (104) | Total Visits (15527) | Similar Articles (4) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1449) | Core Tip (1258) | Full Article (HTML) (16414) | Figures (1-3) (396) | Full Article (PDF)-1019K (844) | Peer-Review Report-67K (314) | Answering Reviewers-20K (335) | Received: 12/28/2013 | Revised: 02/28/2014 | Accepted: 03/14/2014 | CrossRef | Google Scholar | Times Cited (5) | Total Visits (23967) | Similar Articles (6) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1634) | Core Tip (1314) | Full Article (HTML) (17585) | Figures (1-33) (637) | Tables (1-3) (266) | Full Article (PDF)-1740K (786) | Peer-Review Report-67K (291) | Answering Reviewers-76K (199) | Received: 10/07/2013 | Revised: 01/16/2014 | Accepted: 03/04/2014 | CrossRef | Google Scholar | Times Cited (3) | Total Visits (25521) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1626) | Core Tip (1279) | Full Article (HTML) (3751) | Figures (1-6) (608) | Full Article (PDF)-1177K (470) | Peer-Review Report-72K (262) | Answering Reviewers-1230K (293) | Received: 11/04/2013 | Accepted: 01/20/2014 | CrossRef | Google Scholar | Times Cited (0) | Total Visits (10454) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open