Abstract (2539) | Core Tip (2389) | Full Article (HTML) (23793) | Full Article (PDF)-814K (1638) | Audio-508K (158) | Peer-Review Report-67K (366) | Answering Reviewers-55K (321) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (206) | Total Visits (37914) | Similar Articles (116) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1679) | Core Tip (1469) | Full Article (HTML) (4457) | Tables (1-2) (540) | Full Article (PDF)-958K (793) | Audio-467K (31) | Peer-Review Report-103K (263) | Answering Reviewers-121K (387) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (14184) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2119) | Core Tip (1840) | Full Article (HTML) (8880) | Tables (1-2) (516) | Full Article (PDF)-982K (1452) | Audio-1293K (71) | Peer-Review Report-98K (304) | Answering Reviewers-117K (318) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (23159) | Similar Articles (12) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1667) | Core Tip (1439) | Full Article (HTML) (5923) | Full Article (PDF)-880K (785) | Audio-1525K (70) | Peer-Review Report-96K (261) | Answering Reviewers-76K (405) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (65) | Total Visits (15987) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1751) | Core Tip (1633) | Full Article (HTML) (5046) | Figures (1-2) (563) | Tables (1-1) (519) | Full Article (PDF)-1007K (810) | Audio-462K (53) | Peer-Review Report-84K (340) | Answering Reviewers-69K (360) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (21) | Total Visits (18455) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1888) | Core Tip (1740) | Full Article (HTML) (4499) | Figures (1-2) (386) | Tables (1-3) (508) | Full Article (PDF)-882K (932) | Audio-1862K (70) | Peer-Review Report-122K (344) | Answering Reviewers-146K (368) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (20400) | Similar Articles (2) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1667) | Core Tip (1383) | Full Article (HTML) (4400) | Tables (1-4) (828) | Full Article (PDF)-968K (659) | Audio-578K (40) | Peer-Review Report-168K (267) | Answering Reviewers-311K (337) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (16559) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1583) | Core Tip (1486) | Full Article (HTML) (4115) | Figures (1-1) (553) | Tables (1-2) (531) | Full Article (PDF)-904K (556) | Audio-404K (31) | Peer-Review Report-100K (284) | Answering Reviewers-917K (280) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (15583) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2218) | Core Tip (2510) | Full Article (HTML) (10424) | Figures (1-3) (475) | Tables (1-2) (653) | Full Article (PDF)-958K (1435) | Audio-576K (36) | Peer-Review Report-118K (388) | Answering Reviewers-452K (354) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (24771) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1654) | Core Tip (1618) | Full Article (HTML) (5699) | Figures (1-2) (754) | Tables (1-1) (594) | Full Article (PDF)-1024K (658) | Audio-289K (42) | Peer-Review Report-133K (346) | Answering Reviewers-90K (333) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (19504) | Similar Articles (61) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1718) | Core Tip (1447) | Full Article (HTML) (4365) | Figures (1-4) (486) | Full Article (PDF)-1074K (597) | Audio-581K (31) | Peer-Review Report-133K (312) | Answering Reviewers-149K (394) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (15391) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open