Abstract (1439) | Core Tip (1172) | Full Article (HTML) (8931) | Figures (1-1) (344) | Tables (1-3) (306) | Full Article (PDF)-1223K (890) | Audio-1331K (14) | Peer-Review Report-84K (290) | Answering Reviewers-187K (324) | Received: 06/17/2015 | Revised: 09/08/2015 | Accepted: 04/18/2016 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (61) | Total Visits (20723) | Similar Articles (1701) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1029) | Core Tip (1032) | Full Article (HTML) (3444) | Full Article (PDF)-782K (563) | Audio-446K (13) | Peer-Review Report-113K (275) | Answering Reviewers-22K (199) | Received: 02/26/2016 | Revised: 03/30/2016 | Accepted: 04/18/2016 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (16) | Total Visits (11900) | Similar Articles (1699) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1174) | Core Tip (1098) | Full Article (HTML) (3380) | Figures (1-2) (332) | Tables (1-4) (316) | Full Article (PDF)-994K (621) | Audio-1500K (16) | Peer-Review Report-109K (286) | Answering Reviewers-143K (325) | Received: 01/04/2016 | Revised: 03/13/2016 | Accepted: 03/25/2016 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (3) | Total Visits (14936) | Similar Articles (107) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1032) | Core Tip (1054) | Full Article (HTML) (2607) | Full Article (PDF)-695K (397) | Audio-961K (17) | Peer-Review Report-108K (246) | Answering Reviewers-148K (238) | Received: 02/17/2016 | Revised: 03/04/2016 | Accepted: 03/23/2016 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (0) | Total Visits (10189) | Similar Articles (2083) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open