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Abstract (1236) | Core Tip (1234) | Full Article (HTML) (5554) | Figures (1-1) (385) | Full Article (PDF)-980K (438) | Audio-1088K (28) | Peer-Review Report-109K (211) | Answering Reviewers-114K (242) | Received: 09/04/2015 | Revised: 10/12/2015 | Accepted: 12/11/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (15630) | Similar Articles (49) | 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 (1247) | Core Tip (1148) | Full Article (HTML) (3745) | Tables (1-3) (356) | Full Article (PDF)-736K (552) | Audio-260K (15) | Peer-Review Report-84K (254) | Answering Reviewers-152K (242) | Received: 08/28/2015 | Revised: 11/14/2015 | Accepted: 12/14/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (21) | Total Visits (12566) | Similar Articles (88) | 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 (1337) | Core Tip (1266) | Full Article (HTML) (3641) | Tables (1-6) (283) | Full Article (PDF)-842K (514) | Audio-1304K (18) | Peer-Review Report-132K (301) | Answering Reviewers-118K (249) | Received: 04/05/2015 | Revised: 08/09/2015 | Accepted: 10/27/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (16422) | Similar Articles (493) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1549) | Core Tip (1740) | Full Article (HTML) (6333) | Tables (1-6) (393) | Full Article (PDF)-895K (800) | Audio-1112K (21) | Peer-Review Report-112K (268) | Answering Reviewers-180K (230) | Received: 06/29/2015 | Revised: 09/28/2015 | Accepted: 11/25/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (20889) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1205) | Core Tip (1187) | Full Article (HTML) (3542) | Figures (1-3) (263) | Tables (1-3) (317) | Full Article (PDF)-895K (484) | Audio-1801K (22) | Peer-Review Report-120K (260) | Answering Reviewers-156K (242) | Received: 02/03/2015 | Revised: 06/22/2015 | Accepted: 12/08/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (5) | Total Visits (12961) | Similar Articles (9) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open