Abstract (1298) | Core Tip (967) | Full Article (HTML) (1898) | Figures (1-2) (226) | Full Article (PDF)-735K (288) | Peer-Review Report-109K (228) | Answering Reviewers-111K (151) | Received: 08/28/2013 | Accepted: 12/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (3) | Total Visits (7070) | Similar Articles (1137) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1061) | Core Tip (1145) | Full Article (HTML) (2982) | Figures (1-1) (219) | Tables (1-4) (295) | Full Article (PDF)-703K (370) | Peer-Review Report-114K (253) | Answering Reviewers-546K (211) | Received: 08/21/2013 | Revised: 10/20/2013 | Accepted: 11/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (16) | Total Visits (9171) | Similar Articles (41) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1050) | Core Tip (1109) | Full Article (HTML) (3386) | Tables (1-5) (314) | Full Article (PDF)-735K (448) | Peer-Review Report-135K (259) | Answering Reviewers-127K (229) | Received: 10/14/2013 | Revised: 12/07/2013 | Accepted: 12/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (9280) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open