Abstract (2395) | Core Tip (2210) | Full Article (HTML) (22245) | Full Article (PDF)-814K (1517) | Audio-508K (86) | Peer-Review Report-67K (302) | Answering Reviewers-55K (275) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (166) | Total Visits (35029) | Similar Articles (75) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1535) | Core Tip (1335) | Full Article (HTML) (4155) | Tables (1-2) (436) | Full Article (PDF)-958K (744) | Audio-467K (16) | Peer-Review Report-103K (230) | Answering Reviewers-121K (353) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (12826) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1961) | Core Tip (1686) | Full Article (HTML) (8098) | Tables (1-2) (414) | Full Article (PDF)-982K (1162) | Audio-1293K (52) | Peer-Review Report-98K (242) | Answering Reviewers-117K (252) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (20739) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1533) | Core Tip (1330) | Full Article (HTML) (5652) | Full Article (PDF)-880K (707) | Audio-1525K (61) | Peer-Review Report-96K (215) | Answering Reviewers-76K (358) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (14734) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1607) | Core Tip (1496) | Full Article (HTML) (4766) | Figures (1-2) (467) | Tables (1-1) (405) | Full Article (PDF)-1007K (765) | Audio-462K (45) | Peer-Review Report-84K (305) | Answering Reviewers-69K (323) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (16567) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1742) | Core Tip (1593) | Full Article (HTML) (4270) | Figures (1-2) (297) | Tables (1-3) (406) | Full Article (PDF)-882K (875) | Audio-1862K (49) | Peer-Review Report-122K (309) | Answering Reviewers-146K (335) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (18548) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1515) | Core Tip (1235) | Full Article (HTML) (4126) | Tables (1-4) (631) | Full Article (PDF)-968K (612) | Audio-578K (27) | Peer-Review Report-168K (239) | Answering Reviewers-311K (295) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (14853) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1439) | Core Tip (1321) | Full Article (HTML) (3806) | Figures (1-1) (421) | Tables (1-2) (410) | Full Article (PDF)-904K (505) | Audio-404K (31) | Peer-Review Report-100K (247) | Answering Reviewers-917K (239) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (13922) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2037) | Core Tip (2308) | Full Article (HTML) (9584) | Figures (1-3) (369) | Tables (1-2) (455) | Full Article (PDF)-958K (1364) | Audio-576K (28) | Peer-Review Report-118K (352) | Answering Reviewers-452K (319) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (22474) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1514) | Core Tip (1466) | Full Article (HTML) (5294) | Figures (1-2) (605) | Tables (1-1) (466) | Full Article (PDF)-1024K (599) | Audio-289K (34) | Peer-Review Report-133K (288) | Answering Reviewers-90K (268) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (17606) | Similar Articles (59) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1584) | Core Tip (1303) | Full Article (HTML) (4106) | Figures (1-4) (392) | Full Article (PDF)-1074K (547) | Audio-581K (24) | Peer-Review Report-133K (257) | Answering Reviewers-149K (324) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (13908) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open