Abstract (1207) | Core Tip (911) | Full Article (HTML) (1818) | Figures (1-2) (203) | Full Article (PDF)-735K (282) | Peer-Review Report-109K (225) | Answering Reviewers-111K (148) | Received: 08/28/2013 | Accepted: 12/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (3) | Total Visits (6773) | Similar Articles (1122) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1010) | Core Tip (1084) | Full Article (HTML) (2913) | Figures (1-1) (196) | Tables (1-4) (253) | Full Article (PDF)-703K (366) | Peer-Review Report-114K (248) | Answering Reviewers-546K (206) | Received: 08/21/2013 | Revised: 10/20/2013 | Accepted: 11/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (16) | Total Visits (8867) | Similar Articles (41) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1004) | Core Tip (1048) | Full Article (HTML) (3256) | Tables (1-5) (279) | Full Article (PDF)-735K (439) | Peer-Review Report-135K (253) | Answering Reviewers-127K (221) | Received: 10/14/2013 | Revised: 12/07/2013 | Accepted: 12/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (8945) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open