Abstract (2488) | Core Tip (2348) | Full Article (HTML) (23192) | Full Article (PDF)-814K (1587) | Audio-508K (109) | Peer-Review Report-67K (352) | Answering Reviewers-55K (310) | Received: 07/08/2015 | Revised: 08/14/2015 | Accepted: 03/09/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (185) | Total Visits (36756) | Similar Articles (88) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1639) | Core Tip (1430) | Full Article (HTML) (4380) | Tables (1-2) (510) | Full Article (PDF)-958K (773) | Audio-467K (21) | Peer-Review Report-103K (248) | Answering Reviewers-121K (376) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (13683) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2069) | Core Tip (1798) | Full Article (HTML) (8648) | Tables (1-2) (491) | Full Article (PDF)-982K (1424) | Audio-1293K (64) | Peer-Review Report-98K (266) | Answering Reviewers-117K (299) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (22311) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1626) | Core Tip (1404) | Full Article (HTML) (5856) | Full Article (PDF)-880K (754) | Audio-1525K (61) | Peer-Review Report-96K (240) | Answering Reviewers-76K (387) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (15529) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1718) | Core Tip (1590) | Full Article (HTML) (4968) | Figures (1-2) (526) | Tables (1-1) (482) | Full Article (PDF)-1007K (789) | Audio-462K (47) | Peer-Review Report-84K (329) | Answering Reviewers-69K (347) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (17695) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1853) | Core Tip (1710) | Full Article (HTML) (4435) | Figures (1-2) (358) | Tables (1-3) (480) | Full Article (PDF)-882K (906) | Audio-1862K (62) | Peer-Review Report-122K (333) | Answering Reviewers-146K (355) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (19688) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1629) | Core Tip (1341) | Full Article (HTML) (4343) | Tables (1-4) (791) | Full Article (PDF)-968K (639) | Audio-578K (31) | Peer-Review Report-168K (256) | Answering Reviewers-311K (323) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (12) | Total Visits (15910) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1548) | Core Tip (1443) | Full Article (HTML) (4007) | Figures (1-1) (526) | Tables (1-2) (493) | Full Article (PDF)-904K (533) | Audio-404K (31) | Peer-Review Report-100K (269) | Answering Reviewers-917K (265) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (14969) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2175) | Core Tip (2468) | Full Article (HTML) (10296) | Figures (1-3) (442) | Tables (1-2) (618) | Full Article (PDF)-958K (1414) | Audio-576K (32) | Peer-Review Report-118K (374) | Answering Reviewers-452K (339) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (24158) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1614) | Core Tip (1579) | Full Article (HTML) (5575) | Figures (1-2) (706) | Tables (1-1) (561) | Full Article (PDF)-1024K (634) | Audio-289K (41) | Peer-Review Report-133K (329) | Answering Reviewers-90K (317) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (18826) | Similar Articles (60) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1680) | Core Tip (1416) | Full Article (HTML) (4286) | Figures (1-4) (453) | Full Article (PDF)-1074K (573) | Audio-581K (29) | Peer-Review Report-133K (282) | Answering Reviewers-149K (379) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (14840) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open