Abstract (2526) | Core Tip (2382) | Full Article (HTML) (23725) | Full Article (PDF)-814K (1632) | Audio-508K (153) | Peer-Review Report-67K (365) | Answering Reviewers-55K (320) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (203) | Total Visits (37727) | Similar Articles (109) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1673) | Core Tip (1463) | Full Article (HTML) (4450) | Tables (1-2) (536) | Full Article (PDF)-958K (789) | Audio-467K (30) | Peer-Review Report-103K (258) | Answering Reviewers-121K (386) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (14088) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2113) | Core Tip (1834) | Full Article (HTML) (8862) | Tables (1-2) (513) | Full Article (PDF)-982K (1450) | Audio-1293K (70) | Peer-Review Report-98K (297) | Answering Reviewers-117K (314) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (23014) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1664) | Core Tip (1432) | Full Article (HTML) (5910) | Full Article (PDF)-880K (782) | Audio-1525K (67) | Peer-Review Report-96K (256) | Answering Reviewers-76K (401) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (66) | Total Visits (15888) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1745) | Core Tip (1626) | Full Article (HTML) (5029) | Figures (1-2) (559) | Tables (1-1) (514) | Full Article (PDF)-1007K (806) | Audio-462K (50) | Peer-Review Report-84K (338) | Answering Reviewers-69K (358) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (21) | Total Visits (18314) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1883) | Core Tip (1736) | Full Article (HTML) (4486) | Figures (1-2) (382) | Tables (1-3) (505) | Full Article (PDF)-882K (927) | Audio-1862K (69) | Peer-Review Report-122K (342) | Answering Reviewers-146K (364) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (20259) | Similar Articles (2) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1661) | Core Tip (1374) | Full Article (HTML) (4392) | Tables (1-4) (824) | Full Article (PDF)-968K (654) | Audio-578K (39) | Peer-Review Report-168K (265) | Answering Reviewers-311K (334) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (16427) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1577) | Core Tip (1480) | Full Article (HTML) (4088) | Figures (1-1) (548) | Tables (1-2) (525) | Full Article (PDF)-904K (554) | Audio-404K (31) | Peer-Review Report-100K (282) | Answering Reviewers-917K (278) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (15456) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2209) | Core Tip (2501) | Full Article (HTML) (10403) | Figures (1-3) (470) | Tables (1-2) (650) | Full Article (PDF)-958K (1431) | Audio-576K (36) | Peer-Review Report-118K (384) | Answering Reviewers-452K (349) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (24642) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1648) | Core Tip (1615) | Full Article (HTML) (5685) | Figures (1-2) (748) | Tables (1-1) (591) | Full Article (PDF)-1024K (656) | Audio-289K (41) | Peer-Review Report-133K (345) | Answering Reviewers-90K (332) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (19382) | Similar Articles (60) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1713) | Core Tip (1440) | Full Article (HTML) (4348) | Figures (1-4) (481) | Full Article (PDF)-1074K (591) | Audio-581K (30) | Peer-Review Report-133K (307) | Answering Reviewers-149K (391) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (15260) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open