Abstract (2566) | Core Tip (2406) | Full Article (HTML) (24005) | Full Article (PDF)-814K (1685) | Audio-508K (180) | Peer-Review Report-67K (369) | Answering Reviewers-55K (324) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (213) | Total Visits (38373) | Similar Articles (126) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1696) | Core Tip (1483) | Full Article (HTML) (4481) | Tables (1-2) (553) | Full Article (PDF)-958K (799) | Audio-467K (32) | Peer-Review Report-103K (266) | Answering Reviewers-121K (391) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (14372) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2136) | Core Tip (1858) | Full Article (HTML) (8940) | Tables (1-2) (538) | Full Article (PDF)-982K (1461) | Audio-1293K (74) | Peer-Review Report-98K (316) | Answering Reviewers-117K (323) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (23447) | Similar Articles (12) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1687) | Core Tip (1456) | Full Article (HTML) (5961) | Full Article (PDF)-880K (795) | Audio-1525K (70) | Peer-Review Report-96K (271) | Answering Reviewers-76K (411) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (66) | Total Visits (16179) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1772) | Core Tip (1649) | Full Article (HTML) (5082) | Figures (1-2) (576) | Tables (1-1) (531) | Full Article (PDF)-1007K (813) | Audio-462K (55) | Peer-Review Report-84K (343) | Answering Reviewers-69K (366) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (18701) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1905) | Core Tip (1752) | Full Article (HTML) (4524) | Figures (1-2) (398) | Tables (1-3) (522) | Full Article (PDF)-882K (935) | Audio-1862K (71) | Peer-Review Report-122K (348) | Answering Reviewers-146K (371) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (20635) | Similar Articles (2) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1684) | Core Tip (1396) | Full Article (HTML) (4427) | Tables (1-4) (843) | Full Article (PDF)-968K (665) | Audio-578K (40) | Peer-Review Report-168K (275) | Answering Reviewers-311K (341) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (16868) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1603) | Core Tip (1503) | Full Article (HTML) (4169) | Figures (1-1) (565) | Tables (1-2) (543) | Full Article (PDF)-904K (564) | Audio-404K (31) | Peer-Review Report-100K (289) | Answering Reviewers-917K (290) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (15831) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2236) | Core Tip (2526) | Full Article (HTML) (10493) | Figures (1-3) (489) | Tables (1-2) (669) | Full Article (PDF)-958K (1443) | Audio-576K (36) | Peer-Review Report-118K (395) | Answering Reviewers-452K (360) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (25017) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1675) | Core Tip (1639) | Full Article (HTML) (5742) | Figures (1-2) (773) | Tables (1-1) (609) | Full Article (PDF)-1024K (662) | Audio-289K (42) | Peer-Review Report-133K (349) | Answering Reviewers-90K (336) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (19773) | Similar Articles (62) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1736) | Core Tip (1464) | Full Article (HTML) (4385) | Figures (1-4) (501) | Full Article (PDF)-1074K (604) | Audio-581K (34) | Peer-Review Report-133K (323) | Answering Reviewers-149K (398) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (15622) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open