Abstract (978) | Core Tip (1042) | Full Article (HTML) (2553) | Figures (1-1) (307) | Full Article (PDF)-2071K (335) | Peer-Review Report-119K (272) | Answering Reviewers-122K (218) | Received: 09/30/2013 | Accepted: 01/20/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (7914) | Similar Articles (11) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1203) | Core Tip (1061) | Full Article (HTML) (5318) | Figures (1-18) (397) | Tables (1-1) (744) | Full Article (PDF)-7557K (562) | Peer-Review Report-77K (326) | Answering Reviewers-27K (238) | Received: 11/12/2013 | Accepted: 03/04/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (12667) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1071) | Core Tip (1064) | Full Article (HTML) (3185) | Figures (1-1) (334) | Tables (1-2) (700) | Full Article (PDF)-798K (499) | Peer-Review Report-109K (216) | Answering Reviewers-107K (167) | Received: 11/02/2013 | Revised: 12/31/2013 | Accepted: 02/18/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (10072) | Similar Articles (49) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1047) | Core Tip (975) | Full Article (HTML) (3300) | Figures (1-4) (332) | Full Article (PDF)-3780K (448) | Peer-Review Report-105K (262) | Answering Reviewers-393K (187) | Received: 10/08/2013 | Accepted: 01/20/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (9012) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open