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Abstract (1655) | Core Tip (1446) | Full Article (HTML) (4411) | Tables (1-2) (524) | Full Article (PDF)-958K (785) | Audio-467K (25) | Peer-Review Report-103K (252) | Answering Reviewers-121K (380) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (13892) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2088) | Core Tip (1814) | Full Article (HTML) (8710) | Tables (1-2) (503) | Full Article (PDF)-982K (1437) | Audio-1293K (68) | Peer-Review Report-98K (285) | Answering Reviewers-117K (309) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (22617) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1642) | Core Tip (1421) | Full Article (HTML) (5886) | Full Article (PDF)-880K (768) | Audio-1525K (67) | Peer-Review Report-96K (249) | Answering Reviewers-76K (394) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (62) | Total Visits (15724) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1733) | Core Tip (1609) | Full Article (HTML) (5004) | Figures (1-2) (547) | Tables (1-1) (500) | Full Article (PDF)-1007K (801) | Audio-462K (48) | Peer-Review Report-84K (333) | Answering Reviewers-69K (353) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (21) | Total Visits (18038) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1869) | Core Tip (1721) | Full Article (HTML) (4469) | Figures (1-2) (369) | Tables (1-3) (494) | Full Article (PDF)-882K (921) | Audio-1862K (68) | Peer-Review Report-122K (338) | Answering Reviewers-146K (360) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (19999) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1650) | Core Tip (1359) | Full Article (HTML) (4371) | Tables (1-4) (814) | Full Article (PDF)-968K (649) | Audio-578K (39) | Peer-Review Report-168K (261) | Answering Reviewers-311K (331) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (16219) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1563) | Core Tip (1463) | Full Article (HTML) (4049) | Figures (1-1) (538) | Tables (1-2) (511) | Full Article (PDF)-904K (547) | Audio-404K (31) | Peer-Review Report-100K (277) | Answering Reviewers-917K (275) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (15233) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2188) | Core Tip (2486) | Full Article (HTML) (10356) | Figures (1-3) (457) | Tables (1-2) (636) | Full Article (PDF)-958K (1426) | Audio-576K (36) | Peer-Review Report-118K (380) | Answering Reviewers-452K (344) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (24424) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1633) | Core Tip (1595) | Full Article (HTML) (5632) | Figures (1-2) (727) | Tables (1-1) (578) | Full Article (PDF)-1024K (646) | Audio-289K (41) | Peer-Review Report-133K (341) | Answering Reviewers-90K (327) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (19127) | Similar Articles (60) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1699) | Core Tip (1429) | Full Article (HTML) (4318) | Figures (1-4) (466) | Full Article (PDF)-1074K (584) | Audio-581K (30) | Peer-Review Report-133K (294) | Answering Reviewers-149K (387) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (15049) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open