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Abstract (1806) | Core Tip (1633) | Full Article (HTML) (16764) | Tables (1-1) (442) | Full Article (PDF)-984K (2036) | Audio-975K (26) | Peer-Review Report-69K (324) | Answering Reviewers-67K (282) | Received: 08/20/2014 | Revised: 12/02/2014 | Accepted: 11/04/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (153) | Total Visits (28442) | Similar Articles (2) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1560) | Core Tip (1571) | Full Article (HTML) (8579) | Tables (1-2) (932) | Full Article (PDF)-978K (1106) | Audio-1206K (30) | Peer-Review Report-79K (374) | Answering Reviewers-324K (397) | Received: 06/09/2015 | Revised: 08/27/2015 | Accepted: 10/27/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (94) | Total Visits (33968) | Similar Articles (8) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1395) | Core Tip (1413) | Full Article (HTML) (4168) | Figures (1-2) (273) | Tables (1-3) (270) | Full Article (PDF)-1163K (622) | Audio-6127K (22) | Peer-Review Report-108K (335) | Answering Reviewers-109K (213) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (15385) | Similar Articles (34) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1389) | Core Tip (1469) | Full Article (HTML) (2936) | Tables (1-5) (411) | Full Article (PDF)-942K (443) | Audio-596K (22) | Peer-Review Report-93K (266) | Answering Reviewers-218K (208) | Received: 05/07/2015 | Revised: 07/18/2015 | Accepted: 09/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (12274) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1548) | Core Tip (1435) | Full Article (HTML) (10877) | Tables (1-1) (688) | Full Article (PDF)-969K (1138) | Audio-430K (39) | Peer-Review Report-105K (276) | Answering Reviewers-130K (254) | Received: 06/12/2015 | Revised: 09/23/2015 | Accepted: 11/11/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (112) | Total Visits (22341) | Similar Articles (195) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open