Abstract (2551) | Core Tip (2398) | Full Article (HTML) (23870) | Full Article (PDF)-814K (1645) | Audio-508K (169) | Peer-Review Report-67K (368) | Answering Reviewers-55K (322) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (208) | Total Visits (38096) | Similar Articles (125) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1687) | Core Tip (1476) | Full Article (HTML) (4465) | Tables (1-2) (548) | Full Article (PDF)-958K (798) | Audio-467K (32) | Peer-Review Report-103K (264) | Answering Reviewers-121K (389) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (14294) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2128) | Core Tip (1849) | Full Article (HTML) (8909) | Tables (1-2) (523) | Full Article (PDF)-982K (1456) | Audio-1293K (71) | Peer-Review Report-98K (310) | Answering Reviewers-117K (322) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (23296) | Similar Articles (12) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1675) | Core Tip (1449) | Full Article (HTML) (5942) | Full Article (PDF)-880K (791) | Audio-1525K (70) | Peer-Review Report-96K (266) | Answering Reviewers-76K (407) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (65) | Total Visits (16096) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1763) | Core Tip (1640) | Full Article (HTML) (5066) | Figures (1-2) (569) | Tables (1-1) (523) | Full Article (PDF)-1007K (812) | Audio-462K (55) | Peer-Review Report-84K (342) | Answering Reviewers-69K (362) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (21) | Total Visits (18587) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1899) | Core Tip (1749) | Full Article (HTML) (4511) | Figures (1-2) (392) | Tables (1-3) (513) | Full Article (PDF)-882K (933) | Audio-1862K (70) | Peer-Review Report-122K (346) | Answering Reviewers-146K (369) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (20524) | Similar Articles (2) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1675) | Core Tip (1389) | Full Article (HTML) (4414) | Tables (1-4) (834) | Full Article (PDF)-968K (663) | Audio-578K (40) | Peer-Review Report-168K (269) | Answering Reviewers-311K (339) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (16713) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1591) | Core Tip (1493) | Full Article (HTML) (4134) | Figures (1-1) (561) | Tables (1-2) (535) | Full Article (PDF)-904K (557) | Audio-404K (31) | Peer-Review Report-100K (285) | Answering Reviewers-917K (284) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (15699) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2228) | Core Tip (2517) | Full Article (HTML) (10450) | Figures (1-3) (480) | Tables (1-2) (658) | Full Article (PDF)-958K (1438) | Audio-576K (36) | Peer-Review Report-118K (391) | Answering Reviewers-452K (354) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (24872) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1662) | Core Tip (1632) | Full Article (HTML) (5725) | Figures (1-2) (761) | Tables (1-1) (599) | Full Article (PDF)-1024K (659) | Audio-289K (42) | Peer-Review Report-133K (348) | Answering Reviewers-90K (334) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (19647) | Similar Articles (62) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1724) | Core Tip (1454) | Full Article (HTML) (4372) | Figures (1-4) (494) | Full Article (PDF)-1074K (602) | Audio-581K (34) | Peer-Review Report-133K (316) | Answering Reviewers-149K (397) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (15514) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open