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Abstract (1770) | Core Tip (1585) | Full Article (HTML) (16022) | Figures (1-2) (609) | Full Article (PDF)-1421K (1779) | Audio-463K (34) | Peer-Review Report-95K (341) | Answering Reviewers-106K (396) | Received: 04/27/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (91) | Total Visits (28707) | Similar Articles (442) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1590) | Core Tip (1433) | Full Article (HTML) (9698) | Tables (1-2) (417) | Full Article (PDF)-933K (1225) | Audio-579K (24) | Peer-Review Report-90K (394) | Answering Reviewers-182K (312) | Received: 05/29/2015 | Revised: 08/19/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (120) | Total Visits (21571) | Similar Articles (371) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1443) | Core Tip (1261) | Full Article (HTML) (6968) | Figures (1-2) (488) | Full Article (PDF)-1471K (1067) | Audio-223K (32) | Peer-Review Report-97K (269) | Answering Reviewers-177K (519) | Received: 04/29/2015 | Revised: 10/18/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (18627) | Similar Articles (1728) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1413) | Core Tip (1479) | Full Article (HTML) (6734) | Tables (1-3) (436) | Full Article (PDF)-1264K (863) | Audio-312K (18) | Peer-Review Report-96K (334) | Answering Reviewers-271K (498) | Received: 04/30/2015 | Revised: 08/14/2015 | Accepted: 11/09/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (17310) | Similar Articles (1846) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1362) | Core Tip (1299) | Full Article (HTML) (8562) | Figures (1-1) (404) | Tables (1-2) (379) | Full Article (PDF)-1099K (1328) | Audio-1399K (19) | Peer-Review Report-79K (258) | Answering Reviewers-200K (282) | Received: 05/27/2015 | Revised: 09/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (18818) | Similar Articles (1732) | Timeline of Article Publication (6) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

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Abstract (2148) | Core Tip (1957) | Full Article (HTML) (47071) | Tables (1-1) (386) | Full Article (PDF)-954K (5400) | Audio-243K (71) | Peer-Review Report-100K (439) | Answering Reviewers-186K (453) | Received: 06/09/2015 | Revised: 10/09/2015 | Accepted: 11/09/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (310) | Total Visits (64975) | Similar Articles (149) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1343) | Core Tip (1405) | Full Article (HTML) (7297) | Figures (1-4) (431) | Tables (1-2) (351) | Full Article (PDF)-1271K (996) | Audio-313K (76) | Peer-Review Report-81K (330) | Answering Reviewers-107K (333) | Received: 05/28/2015 | Revised: 09/26/2015 | Accepted: 12/01/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (17097) | Similar Articles (42) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1339) | Core Tip (1213) | Full Article (HTML) (4559) | Tables (1-2) (399) | Full Article (PDF)-922K (712) | Audio-849K (27) | Peer-Review Report-111K (267) | Answering Reviewers-118K (286) | Received: 09/01/2015 | Accepted: 11/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14969) | Similar Articles (26) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1253) | Core Tip (1291) | Full Article (HTML) (6150) | Figures (1-5) (433) | Tables (1-1) (378) | Full Article (PDF)-1801K (796) | Audio-684K (28) | Peer-Review Report-80K (280) | Answering Reviewers-86K (300) | Received: 06/12/2015 | Revised: 07/30/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (15604) | Similar Articles (6) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1596) | Core Tip (1433) | Full Article (HTML) (9844) | Figures (1-2) (489) | Tables (1-10) (409) | Full Article (PDF)-1413K (1316) | Audio-1471K (24) | Peer-Review Report-114K (283) | Answering Reviewers-174K (318) | Received: 07/29/2015 | Revised: 09/11/2015 | Accepted: 11/24/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (23804) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open