Abstract (2443) | Core Tip (2279) | Full Article (HTML) (22657) | Full Article (PDF)-814K (1542) | Audio-508K (96) | Peer-Review Report-67K (326) | Answering Reviewers-55K (293) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (177) | Total Visits (35838) | Similar Articles (85) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1581) | Core Tip (1380) | Full Article (HTML) (4259) | Tables (1-2) (472) | Full Article (PDF)-958K (762) | Audio-467K (19) | Peer-Review Report-103K (241) | Answering Reviewers-121K (367) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (13243) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2013) | Core Tip (1749) | Full Article (HTML) (8283) | Tables (1-2) (449) | Full Article (PDF)-982K (1180) | Audio-1293K (59) | Peer-Review Report-98K (255) | Answering Reviewers-117K (275) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (21343) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1578) | Core Tip (1370) | Full Article (HTML) (5744) | Full Article (PDF)-880K (727) | Audio-1525K (61) | Peer-Review Report-96K (232) | Answering Reviewers-76K (377) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (58) | Total Visits (15148) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1655) | Core Tip (1536) | Full Article (HTML) (4839) | Figures (1-2) (493) | Tables (1-1) (443) | Full Article (PDF)-1007K (783) | Audio-462K (47) | Peer-Review Report-84K (320) | Answering Reviewers-69K (338) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (17128) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1799) | Core Tip (1661) | Full Article (HTML) (4353) | Figures (1-2) (326) | Tables (1-3) (440) | Full Article (PDF)-882K (899) | Audio-1862K (59) | Peer-Review Report-122K (325) | Answering Reviewers-146K (350) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (19234) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1563) | Core Tip (1280) | Full Article (HTML) (4194) | Tables (1-4) (702) | Full Article (PDF)-968K (631) | Audio-578K (29) | Peer-Review Report-168K (249) | Answering Reviewers-311K (312) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (15346) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1495) | Core Tip (1376) | Full Article (HTML) (3892) | Figures (1-1) (462) | Tables (1-2) (448) | Full Article (PDF)-904K (519) | Audio-404K (31) | Peer-Review Report-100K (259) | Answering Reviewers-917K (255) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (14416) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2092) | Core Tip (2380) | Full Article (HTML) (9862) | Figures (1-3) (403) | Tables (1-2) (529) | Full Article (PDF)-958K (1381) | Audio-576K (32) | Peer-Review Report-118K (365) | Answering Reviewers-452K (331) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (23218) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1558) | Core Tip (1513) | Full Article (HTML) (5408) | Figures (1-2) (634) | Tables (1-1) (508) | Full Article (PDF)-1024K (625) | Audio-289K (36) | Peer-Review Report-133K (308) | Answering Reviewers-90K (293) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (18206) | Similar Articles (60) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1620) | Core Tip (1344) | Full Article (HTML) (4187) | Figures (1-4) (420) | Full Article (PDF)-1074K (563) | Audio-581K (28) | Peer-Review Report-133K (272) | Answering Reviewers-149K (352) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (14362) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open