Abstract (1096) | Core Tip (861) | Full Article (HTML) (1755) | Figures (1-2) (185) | Full Article (PDF)-735K (273) | Peer-Review Report-109K (218) | Answering Reviewers-111K (142) | Received: 08/28/2013 | Accepted: 12/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (3) | Total Visits (6434) | Similar Articles (1105) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (967) | Core Tip (1030) | Full Article (HTML) (2775) | Figures (1-1) (177) | Tables (1-4) (219) | Full Article (PDF)-703K (357) | Peer-Review Report-114K (240) | Answering Reviewers-546K (200) | Received: 08/21/2013 | Revised: 10/20/2013 | Accepted: 11/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (8478) | Similar Articles (40) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (961) | Core Tip (991) | Full Article (HTML) (3125) | Tables (1-5) (248) | Full Article (PDF)-735K (430) | Peer-Review Report-135K (246) | Answering Reviewers-127K (211) | Received: 10/14/2013 | Revised: 12/07/2013 | Accepted: 12/19/2013 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (8588) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open