Abstract (2410) | Core Tip (2227) | Full Article (HTML) (22358) | Full Article (PDF)-814K (1523) | Audio-508K (86) | Peer-Review Report-67K (308) | Answering Reviewers-55K (279) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (169) | Total Visits (35239) | Similar Articles (82) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1548) | Core Tip (1352) | Full Article (HTML) (4193) | Tables (1-2) (449) | Full Article (PDF)-958K (749) | Audio-467K (16) | Peer-Review Report-103K (236) | Answering Reviewers-121K (357) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (12969) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1975) | Core Tip (1702) | Full Article (HTML) (8157) | Tables (1-2) (425) | Full Article (PDF)-982K (1170) | Audio-1293K (52) | Peer-Review Report-98K (248) | Answering Reviewers-117K (258) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (20898) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1549) | Core Tip (1341) | Full Article (HTML) (5678) | Full Article (PDF)-880K (711) | Audio-1525K (61) | Peer-Review Report-96K (222) | Answering Reviewers-76K (368) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (14860) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1620) | Core Tip (1511) | Full Article (HTML) (4792) | Figures (1-2) (474) | Tables (1-1) (418) | Full Article (PDF)-1007K (767) | Audio-462K (45) | Peer-Review Report-84K (308) | Answering Reviewers-69K (326) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (16738) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1760) | Core Tip (1611) | Full Article (HTML) (4299) | Figures (1-2) (309) | Tables (1-3) (418) | Full Article (PDF)-882K (886) | Audio-1862K (49) | Peer-Review Report-122K (315) | Answering Reviewers-146K (340) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (18737) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1529) | Core Tip (1250) | Full Article (HTML) (4147) | Tables (1-4) (654) | Full Article (PDF)-968K (617) | Audio-578K (27) | Peer-Review Report-168K (242) | Answering Reviewers-311K (298) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (14997) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1453) | Core Tip (1337) | Full Article (HTML) (3835) | Figures (1-1) (435) | Tables (1-2) (424) | Full Article (PDF)-904K (512) | Audio-404K (31) | Peer-Review Report-100K (250) | Answering Reviewers-917K (246) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (14086) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2053) | Core Tip (2328) | Full Article (HTML) (9659) | Figures (1-3) (380) | Tables (1-2) (473) | Full Article (PDF)-958K (1369) | Audio-576K (28) | Peer-Review Report-118K (359) | Answering Reviewers-452K (325) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (22688) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1531) | Core Tip (1481) | Full Article (HTML) (5329) | Figures (1-2) (612) | Tables (1-1) (483) | Full Article (PDF)-1024K (606) | Audio-289K (34) | Peer-Review Report-133K (293) | Answering Reviewers-90K (273) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (17768) | Similar Articles (59) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1591) | Core Tip (1317) | Full Article (HTML) (4133) | Figures (1-4) (403) | Full Article (PDF)-1074K (550) | Audio-581K (24) | Peer-Review Report-133K (262) | Answering Reviewers-149K (332) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (14055) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open