Abstract (2357) | Core Tip (2156) | Full Article (HTML) (21960) | Full Article (PDF)-814K (1494) | Audio-508K (81) | Peer-Review Report-67K (289) | Answering Reviewers-55K (261) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (158) | Total Visits (34511) | Similar Articles (75) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1509) | Core Tip (1309) | Full Article (HTML) (4106) | Tables (1-2) (415) | Full Article (PDF)-958K (732) | Audio-467K (16) | Peer-Review Report-103K (224) | Answering Reviewers-121K (344) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (12578) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1939) | Core Tip (1663) | Full Article (HTML) (8010) | Tables (1-2) (392) | Full Article (PDF)-982K (1155) | Audio-1293K (49) | Peer-Review Report-98K (231) | Answering Reviewers-117K (245) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (20434) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1504) | Core Tip (1310) | Full Article (HTML) (5593) | Full Article (PDF)-880K (695) | Audio-1525K (60) | Peer-Review Report-96K (205) | Answering Reviewers-76K (342) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (14508) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1578) | Core Tip (1473) | Full Article (HTML) (4712) | Figures (1-2) (453) | Tables (1-1) (386) | Full Article (PDF)-1007K (754) | Audio-462K (44) | Peer-Review Report-84K (298) | Answering Reviewers-69K (313) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (16281) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1717) | Core Tip (1567) | Full Article (HTML) (4233) | Figures (1-2) (290) | Tables (1-3) (390) | Full Article (PDF)-882K (868) | Audio-1862K (49) | Peer-Review Report-122K (301) | Answering Reviewers-146K (324) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (18252) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1492) | Core Tip (1217) | Full Article (HTML) (4084) | Tables (1-4) (593) | Full Article (PDF)-968K (599) | Audio-578K (24) | Peer-Review Report-168K (229) | Answering Reviewers-311K (288) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (14593) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1410) | Core Tip (1300) | Full Article (HTML) (3727) | Figures (1-1) (402) | Tables (1-2) (396) | Full Article (PDF)-904K (495) | Audio-404K (31) | Peer-Review Report-100K (242) | Answering Reviewers-917K (231) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (13643) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2006) | Core Tip (2263) | Full Article (HTML) (9453) | Figures (1-3) (359) | Tables (1-2) (430) | Full Article (PDF)-958K (1356) | Audio-576K (28) | Peer-Review Report-118K (339) | Answering Reviewers-452K (314) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (22103) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1482) | Core Tip (1440) | Full Article (HTML) (5237) | Figures (1-2) (580) | Tables (1-1) (439) | Full Article (PDF)-1024K (585) | Audio-289K (34) | Peer-Review Report-133K (279) | Answering Reviewers-90K (264) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (17323) | Similar Articles (59) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1554) | Core Tip (1283) | Full Article (HTML) (4048) | Figures (1-4) (382) | Full Article (PDF)-1074K (538) | Audio-581K (24) | Peer-Review Report-133K (251) | Answering Reviewers-149K (311) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (13652) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open