Abstract (2517) | Core Tip (2374) | Full Article (HTML) (23640) | Full Article (PDF)-814K (1627) | Audio-508K (149) | Peer-Review Report-67K (362) | Answering Reviewers-55K (317) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (199) | Total Visits (37555) | Similar Articles (108) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1665) | Core Tip (1453) | Full Article (HTML) (4425) | Tables (1-2) (530) | Full Article (PDF)-958K (787) | Audio-467K (25) | Peer-Review Report-103K (255) | Answering Reviewers-121K (383) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (13968) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2099) | Core Tip (1825) | Full Article (HTML) (8765) | Tables (1-2) (507) | Full Article (PDF)-982K (1446) | Audio-1293K (70) | Peer-Review Report-98K (289) | Answering Reviewers-117K (311) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (22795) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1657) | Core Tip (1426) | Full Article (HTML) (5899) | Full Article (PDF)-880K (776) | Audio-1525K (67) | Peer-Review Report-96K (251) | Answering Reviewers-76K (396) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (15801) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1739) | Core Tip (1618) | Full Article (HTML) (5018) | Figures (1-2) (551) | Tables (1-1) (505) | Full Article (PDF)-1007K (805) | Audio-462K (48) | Peer-Review Report-84K (335) | Answering Reviewers-69K (357) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (21) | Total Visits (18176) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1876) | Core Tip (1730) | Full Article (HTML) (4479) | Figures (1-2) (377) | Tables (1-3) (498) | Full Article (PDF)-882K (926) | Audio-1862K (69) | Peer-Review Report-122K (341) | Answering Reviewers-146K (363) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (20137) | Similar Articles (2) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1655) | Core Tip (1364) | Full Article (HTML) (4388) | Tables (1-4) (818) | Full Article (PDF)-968K (653) | Audio-578K (39) | Peer-Review Report-168K (264) | Answering Reviewers-311K (332) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (16343) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1570) | Core Tip (1473) | Full Article (HTML) (4061) | Figures (1-1) (543) | Tables (1-2) (517) | Full Article (PDF)-904K (551) | Audio-404K (31) | Peer-Review Report-100K (279) | Answering Reviewers-917K (276) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (15341) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2198) | Core Tip (2492) | Full Article (HTML) (10377) | Figures (1-3) (464) | Tables (1-2) (642) | Full Article (PDF)-958K (1430) | Audio-576K (36) | Peer-Review Report-118K (382) | Answering Reviewers-452K (347) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (24544) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1641) | Core Tip (1605) | Full Article (HTML) (5656) | Figures (1-2) (738) | Tables (1-1) (583) | Full Article (PDF)-1024K (650) | Audio-289K (41) | Peer-Review Report-133K (342) | Answering Reviewers-90K (328) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (19246) | Similar Articles (60) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1706) | Core Tip (1433) | Full Article (HTML) (4335) | Figures (1-4) (475) | Full Article (PDF)-1074K (590) | Audio-581K (30) | Peer-Review Report-133K (299) | Answering Reviewers-149K (390) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (15160) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open