Abstract (1328) | Core Tip (1210) | Full Article (HTML) (3358) | Full Article (PDF)-815K (585) | Audio-112K (13) | Peer-Review Report-94K (278) | Answering Reviewers-95K (196) | Received: 05/13/2015 | Revised: 08/20/2015 | Accepted: 11/11/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (10799) | Similar Articles (3) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1577) | Core Tip (1505) | Full Article (HTML) (6079) | Figures (1-6) (290) | Full Article (PDF)-1306K (872) | Audio-622K (77) | Peer-Review Report-82K (276) | Answering Reviewers-84K (1338) | Received: 07/15/2015 | Revised: 10/22/2015 | Accepted: 12/11/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (16869) | Similar Articles (0) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1453) | Core Tip (1391) | Full Article (HTML) (5496) | Figures (1-5) (281) | Full Article (PDF)-1214K (628) | Audio-955K (60) | Peer-Review Report-131K (245) | Answering Reviewers-273K (231) | Received: 07/22/2015 | Revised: 10/07/2015 | Accepted: 11/25/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (27) | Total Visits (14893) | Similar Articles (22) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1432) | Core Tip (1444) | Full Article (HTML) (4245) | Figures (1-6) (269) | Tables (1-1) (282) | Full Article (PDF)-2832K (646) | Audio-2795K (14) | Peer-Review Report-92K (269) | Answering Reviewers-1787K (254) | Received: 07/29/2015 | Revised: 10/19/2015 | Accepted: 11/25/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (14608) | Similar Articles (2) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1671) | Core Tip (1476) | Full Article (HTML) (7992) | Full Article (PDF)-856K (1265) | Audio-1162K (30) | Peer-Review Report-83K (265) | Answering Reviewers-34K (315) | Received: 07/29/2015 | Revised: 10/07/2015 | Accepted: 12/04/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (61) | Total Visits (18686) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1693) | Core Tip (1646) | Full Article (HTML) (8325) | Figures (1-1) (980) | Full Article (PDF)-979K (1092) | Audio-280K (24) | Peer-Review Report-101K (245) | Answering Reviewers-137K (301) | Received: 09/29/2015 | Revised: 12/01/2015 | Accepted: 01/11/2016 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (19036) | Similar Articles (8) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1602) | Core Tip (1496) | Full Article (HTML) (12338) | Figures (1-4) (363) | Full Article (PDF)-2210K (2955) | Audio-408K (60) | Peer-Review Report-91K (240) | Answering Reviewers-249K (464) | Received: 08/05/2015 | Revised: 09/29/2015 | Accepted: 12/04/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (87) | Total Visits (26800) | Similar Articles (26) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1774) | Core Tip (1688) | Full Article (HTML) (14869) | Figures (1-2) (404) | Tables (1-3) (452) | Full Article (PDF)-1012K (2029) | Audio-936K (58) | Peer-Review Report-127K (259) | Answering Reviewers-144K (293) | Received: 10/03/2015 | Revised: 11/13/2015 | Accepted: 01/07/2016 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (59) | Total Visits (27583) | Similar Articles (65) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1366) | Core Tip (1313) | Full Article (HTML) (6593) | Full Article (PDF)-3312K (1116) | Audio-1134K (46) | Peer-Review Report-91K (211) | Answering Reviewers-157K (242) | Received: 08/06/2015 | Revised: 10/08/2015 | Accepted: 12/11/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (15311) | Similar Articles (1) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1334) | Core Tip (1150) | Full Article (HTML) (5192) | Figures (1-4) (324) | Full Article (PDF)-1290K (835) | Audio-1160K (27) | Peer-Review Report-94K (196) | Answering Reviewers-70K (267) | Received: 06/10/2015 | Revised: 10/15/2015 | Accepted: 01/04/2016 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (14789) | Similar Articles (25) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1362) | Core Tip (1374) | Full Article (HTML) (4225) | Figures (1-1) (222) | Tables (1-1) (224) | Full Article (PDF)-966K (553) | Audio-653K (20) | Peer-Review Report-92K (182) | Answering Reviewers-42K (186) | Received: 07/30/2015 | Revised: 10/14/2015 | Accepted: 12/21/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (17) | Total Visits (12203) | Similar Articles (16) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1241) | Core Tip (1273) | Full Article (HTML) (5164) | Tables (1-1) (226) | Full Article (PDF)-930K (776) | Audio-589K (21) | Peer-Review Report-96K (213) | Answering Reviewers-105K (283) | Received: 09/28/2015 | Revised: 11/24/2015 | Accepted: 01/11/2016 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (13976) | Similar Articles (37) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1214) | Core Tip (1309) | Full Article (HTML) (3659) | Figures (1-1) (242) | Full Article (PDF)-907K (756) | Audio-468K (22) | Peer-Review Report-89K (257) | Answering Reviewers-188K (232) | Received: 08/29/2015 | Revised: 11/18/2015 | Accepted: 12/04/2015 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (12678) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1282) | Core Tip (968) | Full Article (HTML) (3868) | Figures (1-2) (226) | Tables (1-4) (277) | Full Article (PDF)-1076K (559) | Audio-776K (25) | Peer-Review Report-110K (249) | Answering Reviewers-356K (202) | Received: 08/22/2015 | Revised: 12/08/2015 | Accepted: 01/11/2016 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (5) | Total Visits (13491) | Similar Articles (15) | Timeline of Article Publication (4) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open