Abstract (2364) | Core Tip (2169) | Full Article (HTML) (22027) | Full Article (PDF)-814K (1500) | Audio-508K (81) | Peer-Review Report-67K (291) | Answering Reviewers-55K (262) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (161) | Total Visits (34638) | Similar Articles (75) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1518) | Core Tip (1316) | Full Article (HTML) (4119) | Tables (1-2) (421) | Full Article (PDF)-958K (733) | Audio-467K (16) | Peer-Review Report-103K (224) | Answering Reviewers-121K (344) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (12635) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1945) | Core Tip (1672) | Full Article (HTML) (8039) | Tables (1-2) (399) | Full Article (PDF)-982K (1157) | Audio-1293K (52) | Peer-Review Report-98K (234) | Answering Reviewers-117K (246) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (20532) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1509) | Core Tip (1314) | Full Article (HTML) (5608) | Full Article (PDF)-880K (697) | Audio-1525K (60) | Peer-Review Report-96K (206) | Answering Reviewers-76K (344) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (14563) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1587) | Core Tip (1479) | Full Article (HTML) (4731) | Figures (1-2) (458) | Tables (1-1) (391) | Full Article (PDF)-1007K (755) | Audio-462K (44) | Peer-Review Report-84K (301) | Answering Reviewers-69K (315) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (16359) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1723) | Core Tip (1576) | Full Article (HTML) (4241) | Figures (1-2) (292) | Tables (1-3) (394) | Full Article (PDF)-882K (870) | Audio-1862K (49) | Peer-Review Report-122K (304) | Answering Reviewers-146K (326) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (18326) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1499) | Core Tip (1221) | Full Article (HTML) (4097) | Tables (1-4) (603) | Full Article (PDF)-968K (601) | Audio-578K (24) | Peer-Review Report-168K (229) | Answering Reviewers-311K (289) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (14639) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1419) | Core Tip (1306) | Full Article (HTML) (3764) | Figures (1-1) (407) | Tables (1-2) (399) | Full Article (PDF)-904K (496) | Audio-404K (31) | Peer-Review Report-100K (242) | Answering Reviewers-917K (232) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (13728) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2017) | Core Tip (2280) | Full Article (HTML) (9485) | Figures (1-3) (363) | Tables (1-2) (437) | Full Article (PDF)-958K (1358) | Audio-576K (28) | Peer-Review Report-118K (341) | Answering Reviewers-452K (315) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (22200) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1493) | Core Tip (1446) | Full Article (HTML) (5259) | Figures (1-2) (587) | Tables (1-1) (446) | Full Article (PDF)-1024K (587) | Audio-289K (34) | Peer-Review Report-133K (280) | Answering Reviewers-90K (266) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (17390) | Similar Articles (59) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1564) | Core Tip (1289) | Full Article (HTML) (4067) | Figures (1-4) (386) | Full Article (PDF)-1074K (540) | Audio-581K (24) | Peer-Review Report-133K (252) | Answering Reviewers-149K (313) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (13736) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open