Abstract (717) | Core Tip (745) | Full Article (HTML) (2106) | Figures (1-1) (127) | Full Article (PDF)-2071K (289) | Peer-Review Report-119K (226) | Answering Reviewers-122K (176) | Received: 09/30/2013 | Accepted: 01/20/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (6293) | Similar Articles (11) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (894) | Core Tip (768) | Full Article (HTML) (4312) | Figures (1-18) (185) | Tables (1-1) (302) | Full Article (PDF)-7557K (495) | Peer-Review Report-77K (274) | Answering Reviewers-27K (199) | Received: 11/12/2013 | Accepted: 03/04/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (21) | Total Visits (9963) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (825) | Core Tip (797) | Full Article (HTML) (2608) | Figures (1-1) (152) | Tables (1-2) (235) | Full Article (PDF)-798K (450) | Peer-Review Report-109K (182) | Answering Reviewers-107K (136) | Received: 11/02/2013 | Revised: 12/31/2013 | Accepted: 02/18/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (7874) | Similar Articles (49) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (778) | Core Tip (690) | Full Article (HTML) (2611) | Figures (1-4) (146) | Full Article (PDF)-3780K (399) | Peer-Review Report-105K (225) | Answering Reviewers-393K (152) | Received: 10/08/2013 | Accepted: 01/20/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (6993) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open