Abstract (2471) | Core Tip (2315) | Full Article (HTML) (22944) | Full Article (PDF)-814K (1550) | Audio-508K (100) | Peer-Review Report-67K (339) | Answering Reviewers-55K (300) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (185) | Total Visits (36273) | Similar Articles (88) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1617) | Core Tip (1407) | Full Article (HTML) (4325) | Tables (1-2) (489) | Full Article (PDF)-958K (767) | Audio-467K (21) | Peer-Review Report-103K (243) | Answering Reviewers-121K (369) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (13458) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2045) | Core Tip (1775) | Full Article (HTML) (8485) | Tables (1-2) (471) | Full Article (PDF)-982K (1186) | Audio-1293K (61) | Peer-Review Report-98K (260) | Answering Reviewers-117K (286) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (21743) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1603) | Core Tip (1387) | Full Article (HTML) (5799) | Full Article (PDF)-880K (731) | Audio-1525K (61) | Peer-Review Report-96K (234) | Answering Reviewers-76K (380) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (58) | Total Visits (15291) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1686) | Core Tip (1560) | Full Article (HTML) (4899) | Figures (1-2) (509) | Tables (1-1) (461) | Full Article (PDF)-1007K (787) | Audio-462K (47) | Peer-Review Report-84K (323) | Answering Reviewers-69K (343) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (17408) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1831) | Core Tip (1687) | Full Article (HTML) (4392) | Figures (1-2) (345) | Tables (1-3) (461) | Full Article (PDF)-882K (904) | Audio-1862K (61) | Peer-Review Report-122K (329) | Answering Reviewers-146K (353) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (19458) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1598) | Core Tip (1319) | Full Article (HTML) (4284) | Tables (1-4) (753) | Full Article (PDF)-968K (636) | Audio-578K (31) | Peer-Review Report-168K (250) | Answering Reviewers-311K (317) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (15686) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1522) | Core Tip (1413) | Full Article (HTML) (3962) | Figures (1-1) (497) | Tables (1-2) (471) | Full Article (PDF)-904K (525) | Audio-404K (31) | Peer-Review Report-100K (263) | Answering Reviewers-917K (259) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (14696) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2133) | Core Tip (2431) | Full Article (HTML) (10098) | Figures (1-3) (424) | Tables (1-2) (584) | Full Article (PDF)-958K (1386) | Audio-576K (32) | Peer-Review Report-118K (367) | Answering Reviewers-452K (333) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (23697) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1587) | Core Tip (1551) | Full Article (HTML) (5498) | Figures (1-2) (672) | Tables (1-1) (540) | Full Article (PDF)-1024K (629) | Audio-289K (39) | Peer-Review Report-133K (318) | Answering Reviewers-90K (303) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (18525) | Similar Articles (60) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1653) | Core Tip (1376) | Full Article (HTML) (4245) | Figures (1-4) (432) | Full Article (PDF)-1074K (566) | Audio-581K (29) | Peer-Review Report-133K (276) | Answering Reviewers-149K (364) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (14602) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open