Abstract (2300) | Core Tip (2085) | Full Article (HTML) (21426) | Full Article (PDF)-814K (1476) | Audio-508K (79) | Peer-Review Report-67K (280) | Answering Reviewers-55K (252) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (153) | Total Visits (33716) | Similar Articles (65) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1456) | Core Tip (1254) | Full Article (HTML) (4017) | Tables (1-2) (373) | Full Article (PDF)-958K (723) | Audio-467K (16) | Peer-Review Report-103K (217) | Answering Reviewers-121K (336) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (12236) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1894) | Core Tip (1618) | Full Article (HTML) (7846) | Tables (1-2) (354) | Full Article (PDF)-982K (1132) | Audio-1293K (47) | Peer-Review Report-98K (224) | Answering Reviewers-117K (236) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (20001) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1460) | Core Tip (1277) | Full Article (HTML) (5493) | Full Article (PDF)-880K (681) | Audio-1525K (60) | Peer-Review Report-96K (203) | Answering Reviewers-76K (331) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (56) | Total Visits (14236) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1527) | Core Tip (1433) | Full Article (HTML) (4630) | Figures (1-2) (423) | Tables (1-1) (356) | Full Article (PDF)-1007K (748) | Audio-462K (44) | Peer-Review Report-84K (291) | Answering Reviewers-69K (310) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (15896) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1662) | Core Tip (1522) | Full Article (HTML) (4157) | Figures (1-2) (266) | Tables (1-3) (351) | Full Article (PDF)-882K (862) | Audio-1862K (49) | Peer-Review Report-122K (298) | Answering Reviewers-146K (318) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (17887) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1444) | Core Tip (1177) | Full Article (HTML) (4015) | Tables (1-4) (520) | Full Article (PDF)-968K (589) | Audio-578K (22) | Peer-Review Report-168K (225) | Answering Reviewers-311K (284) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (14263) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1361) | Core Tip (1254) | Full Article (HTML) (3620) | Figures (1-1) (370) | Tables (1-2) (357) | Full Article (PDF)-904K (486) | Audio-404K (31) | Peer-Review Report-100K (239) | Answering Reviewers-917K (226) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (13285) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1947) | Core Tip (2178) | Full Article (HTML) (9292) | Figures (1-3) (327) | Tables (1-2) (383) | Full Article (PDF)-958K (1347) | Audio-576K (28) | Peer-Review Report-118K (329) | Answering Reviewers-452K (308) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (21639) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1412) | Core Tip (1378) | Full Article (HTML) (5108) | Figures (1-2) (511) | Tables (1-1) (371) | Full Article (PDF)-1024K (575) | Audio-289K (33) | Peer-Review Report-133K (275) | Answering Reviewers-90K (260) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (16846) | Similar Articles (59) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1501) | Core Tip (1234) | Full Article (HTML) (3988) | Figures (1-4) (358) | Full Article (PDF)-1074K (534) | Audio-581K (24) | Peer-Review Report-133K (247) | Answering Reviewers-149K (309) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (13373) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open