Abstract (956) | Core Tip (1018) | Full Article (HTML) (2502) | Figures (1-1) (284) | Full Article (PDF)-2071K (332) | Peer-Review Report-119K (267) | Answering Reviewers-122K (212) | Received: 09/30/2013 | Accepted: 01/20/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (7722) | Similar Articles (11) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1171) | Core Tip (1039) | Full Article (HTML) (5226) | Figures (1-18) (380) | Tables (1-1) (693) | Full Article (PDF)-7557K (555) | Peer-Review Report-77K (320) | Answering Reviewers-27K (234) | Received: 11/12/2013 | Accepted: 03/04/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (12408) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1050) | Core Tip (1043) | Full Article (HTML) (3125) | Figures (1-1) (307) | Tables (1-2) (663) | Full Article (PDF)-798K (495) | Peer-Review Report-109K (212) | Answering Reviewers-107K (163) | Received: 11/02/2013 | Revised: 12/31/2013 | Accepted: 02/18/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (9880) | Similar Articles (49) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1020) | Core Tip (941) | Full Article (HTML) (3190) | Figures (1-4) (313) | Full Article (PDF)-3780K (444) | Peer-Review Report-105K (258) | Answering Reviewers-393K (183) | Received: 10/08/2013 | Accepted: 01/20/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (8741) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open