Abstract (2329) | Core Tip (2119) | Full Article (HTML) (21681) | Full Article (PDF)-814K (1487) | Audio-508K (80) | Peer-Review Report-67K (284) | Answering Reviewers-55K (255) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (156) | Total Visits (34100) | Similar Articles (65) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1480) | Core Tip (1283) | Full Article (HTML) (4068) | Tables (1-2) (395) | 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 (12412) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1915) | Core Tip (1631) | Full Article (HTML) (7935) | Tables (1-2) (373) | 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 (20199) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1480) | Core Tip (1290) | Full Article (HTML) (5545) | Full Article (PDF)-880K (686) | Audio-1525K (60) | Peer-Review Report-96K (203) | Answering Reviewers-76K (336) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (56) | Total Visits (14360) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1554) | Core Tip (1446) | Full Article (HTML) (4672) | Figures (1-2) (435) | Tables (1-1) (369) | Full Article (PDF)-1007K (752) | Audio-462K (44) | Peer-Review Report-84K (294) | 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 (16076) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1692) | Core Tip (1542) | Full Article (HTML) (4194) | Figures (1-2) (276) | Tables (1-3) (370) | 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 (18077) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1465) | Core Tip (1198) | Full Article (HTML) (4050) | Tables (1-4) (556) | Full Article (PDF)-968K (597) | Audio-578K (24) | Peer-Review Report-168K (226) | Answering Reviewers-311K (285) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (14417) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1387) | Core Tip (1275) | Full Article (HTML) (3661) | Figures (1-1) (385) | Tables (1-2) (376) | 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 (13455) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1979) | Core Tip (2220) | Full Article (HTML) (9385) | Figures (1-3) (342) | Tables (1-2) (405) | 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 (21882) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1447) | Core Tip (1412) | Full Article (HTML) (5179) | Figures (1-2) (556) | Tables (1-1) (412) | 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 (17097) | Similar Articles (59) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1524) | Core Tip (1261) | Full Article (HTML) (4021) | Figures (1-4) (369) | 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 (13517) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open