Abstract (1680) | Core Tip (1563) | Full Article (HTML) (8140) | Full Article (PDF)-837K (843) | Peer-Review Report-80K (310) | Answering Reviewers-216K (333) | Received: 10/07/2013 | Revised: 01/16/2014 | Accepted: 03/04/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (104) | Total Visits (15489) | Similar Articles (4) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1442) | Core Tip (1253) | Full Article (HTML) (16390) | Figures (1-3) (393) | Full Article (PDF)-1019K (842) | Peer-Review Report-67K (313) | Answering Reviewers-20K (333) | Received: 12/28/2013 | Revised: 02/28/2014 | Accepted: 03/14/2014 | CrossRef | Google Scholar | Times Cited (5) | Total Visits (23921) | Similar Articles (6) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1630) | Core Tip (1309) | Full Article (HTML) (17519) | Figures (1-33) (628) | Tables (1-3) (263) | Full Article (PDF)-1740K (784) | Peer-Review Report-67K (289) | Answering Reviewers-76K (198) | Received: 10/07/2013 | Revised: 01/16/2014 | Accepted: 03/04/2014 | CrossRef | Google Scholar | Times Cited (3) | Total Visits (25420) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1623) | Core Tip (1274) | Full Article (HTML) (3743) | Figures (1-6) (601) | Full Article (PDF)-1177K (467) | Peer-Review Report-72K (260) | Answering Reviewers-1230K (291) | Received: 11/04/2013 | Accepted: 01/20/2014 | CrossRef | Google Scholar | Times Cited (0) | Total Visits (10422) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open