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Abstract (1700) | Core Tip (1485) | Full Article (HTML) (4483) | Tables (1-2) (555) | Full Article (PDF)-958K (802) | Audio-467K (32) | Peer-Review Report-103K (271) | Answering Reviewers-121K (395) | Received: 07/16/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (14440) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2140) | Core Tip (1859) | Full Article (HTML) (8960) | Tables (1-2) (546) | Full Article (PDF)-982K (1468) | Audio-1293K (75) | Peer-Review Report-98K (320) | Answering Reviewers-117K (325) | Received: 07/28/2015 | Revised: 11/24/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (23581) | Similar Articles (12) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1692) | Core Tip (1462) | Full Article (HTML) (5967) | Full Article (PDF)-880K (803) | Audio-1525K (70) | Peer-Review Report-96K (274) | Answering Reviewers-76K (415) | Received: 08/29/2015 | Revised: 10/30/2015 | Accepted: 02/16/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (66) | Total Visits (16266) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1774) | Core Tip (1655) | Full Article (HTML) (5091) | Figures (1-2) (580) | Tables (1-1) (533) | Full Article (PDF)-1007K (817) | Audio-462K (55) | Peer-Review Report-84K (348) | Answering Reviewers-69K (368) | Received: 08/15/2015 | Revised: 09/24/2015 | Accepted: 01/07/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (18816) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1906) | Core Tip (1754) | Full Article (HTML) (4533) | Figures (1-2) (401) | Tables (1-3) (526) | Full Article (PDF)-882K (937) | Audio-1862K (71) | Peer-Review Report-122K (351) | Answering Reviewers-146K (374) | Received: 01/29/2016 | Revised: 03/22/2016 | Accepted: 04/11/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (20750) | Similar Articles (2) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1686) | Core Tip (1400) | Full Article (HTML) (4434) | Tables (1-4) (845) | Full Article (PDF)-968K (671) | Audio-578K (40) | Peer-Review Report-168K (282) | Answering Reviewers-311K (343) | Received: 07/26/2015 | Revised: 11/01/2015 | Accepted: 01/22/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (16972) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1605) | Core Tip (1506) | Full Article (HTML) (4173) | Figures (1-1) (570) | Tables (1-2) (548) | Full Article (PDF)-904K (568) | Audio-404K (33) | Peer-Review Report-100K (293) | Answering Reviewers-917K (292) | Received: 01/14/2016 | Revised: 01/14/2016 | Accepted: 01/31/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (15913) | Similar Articles (5) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2240) | Core Tip (2528) | Full Article (HTML) (10507) | Figures (1-3) (491) | Tables (1-2) (671) | Full Article (PDF)-958K (1447) | Audio-576K (36) | Peer-Review Report-118K (398) | Answering Reviewers-452K (363) | Received: 07/29/2015 | Revised: 12/17/2015 | Accepted: 01/19/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (25098) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1679) | Core Tip (1645) | Full Article (HTML) (5755) | Figures (1-2) (777) | Tables (1-1) (613) | Full Article (PDF)-1024K (667) | Audio-289K (42) | Peer-Review Report-133K (353) | Answering Reviewers-90K (339) | Received: 01/29/2016 | Revised: 03/02/2016 | Accepted: 03/25/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (19901) | Similar Articles (62) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1738) | Core Tip (1469) | Full Article (HTML) (4396) | Figures (1-4) (504) | Full Article (PDF)-1074K (606) | Audio-581K (34) | Peer-Review Report-133K (327) | Answering Reviewers-149K (401) | Received: 10/26/2015 | Revised: 01/19/2016 | Accepted: 03/14/2016 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (2) | Total Visits (15704) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open