Abstract (791) | Core Tip (695) | Full Article (HTML) (1546) | Figures (1-2) (118) | Full Article (PDF)-735K (249) | Peer-Review Report-109K (193) | Answering Reviewers-111K (124) | Received: 08/28/2013 | Accepted: 12/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (3) | Total Visits (5431) | Similar Articles (1024) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (806) | Core Tip (854) | Full Article (HTML) (2343) | Figures (1-1) (114) | Tables (1-4) (126) | Full Article (PDF)-703K (329) | Peer-Review Report-114K (223) | Answering Reviewers-546K (185) | Received: 08/21/2013 | Revised: 10/20/2013 | Accepted: 11/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (7264) | Similar Articles (40) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (798) | Core Tip (776) | Full Article (HTML) (2683) | Tables (1-5) (148) | Full Article (PDF)-735K (404) | Peer-Review Report-135K (227) | Answering Reviewers-127K (188) | Received: 10/14/2013 | Revised: 12/07/2013 | Accepted: 12/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (27) | Total Visits (7417) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open