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Abstract (1484) | Core Tip (1287) | Full Article (HTML) (4071) | Tables (1-2) (401) | Full Article (PDF)-958K (728) | Audio-467K (16) | Peer-Review Report-103K (221) | Answering Reviewers-121K (338) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (12431) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1917) | Core Tip (1633) | Full Article (HTML) (7944) | Tables (1-2) (375) | Full Article (PDF)-982K (1142) | Audio-1293K (49) | Peer-Review Report-98K (225) | Answering Reviewers-117K (237) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (20217) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1483) | Core Tip (1294) | Full Article (HTML) (5554) | Full Article (PDF)-880K (687) | Audio-1525K (60) | Peer-Review Report-96K (203) | Answering Reviewers-76K (337) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (55) | Total Visits (14387) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1558) | Core Tip (1450) | Full Article (HTML) (4686) | Figures (1-2) (440) | Tables (1-1) (371) | Full Article (PDF)-1007K (752) | Audio-462K (44) | Peer-Review Report-84K (295) | Answering Reviewers-69K (312) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (16110) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1694) | Core Tip (1542) | Full Article (HTML) (4197) | Figures (1-2) (278) | Tables (1-3) (372) | Full Article (PDF)-882K (867) | Audio-1862K (49) | Peer-Review Report-122K (300) | Answering Reviewers-146K (323) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (18087) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1470) | Core Tip (1202) | Full Article (HTML) (4055) | Tables (1-4) (560) | Full Article (PDF)-968K (598) | Audio-578K (24) | Peer-Review Report-168K (227) | Answering Reviewers-311K (287) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (14453) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1388) | Core Tip (1278) | Full Article (HTML) (3668) | Figures (1-1) (390) | Tables (1-2) (378) | Full Article (PDF)-904K (491) | Audio-404K (31) | Peer-Review Report-100K (240) | Answering Reviewers-917K (228) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (13475) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1981) | Core Tip (2224) | Full Article (HTML) (9391) | Figures (1-3) (345) | Tables (1-2) (407) | Full Article (PDF)-958K (1353) | Audio-576K (28) | Peer-Review Report-118K (334) | Answering Reviewers-452K (310) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (21906) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1451) | Core Tip (1415) | Full Article (HTML) (5189) | Figures (1-2) (560) | Tables (1-1) (417) | Full Article (PDF)-1024K (581) | Audio-289K (34) | Peer-Review Report-133K (276) | Answering Reviewers-90K (261) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (17124) | Similar Articles (59) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1528) | Core Tip (1264) | Full Article (HTML) (4025) | Figures (1-4) (373) | Full Article (PDF)-1074K (537) | Audio-581K (24) | Peer-Review Report-133K (250) | Answering Reviewers-149K (310) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (13534) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open