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Abstract (1371) | Core Tip (1307) | Full Article (HTML) (7505) | Figures (1-1) (531) | Full Article (PDF)-1231K (698) | Peer-Review Report-88K (325) | Answering Reviewers-67K (268) | Received: 04/13/2015 | Revised: 06/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (18024) | Similar Articles (35) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1443) | Core Tip (1368) | Full Article (HTML) (5216) | Full Article (PDF)-1201K (734) | Peer-Review Report-79K (295) | Answering Reviewers-209K (274) | Received: 05/09/2015 | Revised: 07/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14742) | Similar Articles (89) | 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 (1408) | Core Tip (1371) | Full Article (HTML) (5399) | Tables (1-4) (521) | Full Article (PDF)-1201K (726) | Peer-Review Report-80K (226) | Answering Reviewers-92K (302) | Received: 04/15/2015 | Revised: 06/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (16541) | Similar Articles (25) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1764) | Core Tip (1488) | Full Article (HTML) (16202) | Tables (1-4) (484) | Full Article (PDF)-1241K (2295) | Peer-Review Report-101K (472) | Answering Reviewers-283K (425) | Received: 04/26/2015 | Revised: 07/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (227) | Total Visits (29439) | Similar Articles (374) | 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 (1466) | Core Tip (1405) | Full Article (HTML) (6197) | Figures (1-1) (534) | Full Article (PDF)-1205K (777) | Peer-Review Report-79K (278) | Answering Reviewers-112K (260) | Received: 04/26/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (15493) | Similar Articles (165) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1703) | Core Tip (1447) | Full Article (HTML) (17858) | Figures (1-1) (478) | Tables (1-1) (405) | Full Article (PDF)-1536K (827) | Peer-Review Report-104K (263) | Answering Reviewers-212K (302) | Received: 04/28/2015 | Revised: 07/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (28187) | Similar Articles (354) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1787) | Core Tip (1475) | Full Article (HTML) (7665) | Figures (1-2) (458) | Full Article (PDF)-1408K (985) | Peer-Review Report-81K (293) | Answering Reviewers-105K (464) | Received: 06/30/2015 | Revised: 08/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (19565) | Similar Articles (1751) | 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 (1486) | Core Tip (1312) | Full Article (HTML) (6448) | Figures (1-1) (473) | Tables (1-1) (374) | Full Article (PDF)-1208K (849) | Peer-Review Report-109K (303) | Answering Reviewers-11K (272) | Received: 06/03/2015 | Revised: 07/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (16302) | Similar Articles (64) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1223) | Core Tip (1228) | Full Article (HTML) (5478) | Tables (1-2) (416) | Full Article (PDF)-1257K (635) | Peer-Review Report-88K (368) | Answering Reviewers-63K (285) | Received: 04/28/2015 | Revised: 08/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (16246) | Similar Articles (2302) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1413) | Core Tip (1281) | Full Article (HTML) (4443) | Tables (1-1) (458) | Full Article (PDF)-1087K (729) | Peer-Review Report-79K (243) | Answering Reviewers-210K (248) | Received: 04/18/2015 | Revised: 07/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (13376) | Similar Articles (873) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1493) | Core Tip (1469) | Full Article (HTML) (4931) | Tables (1-3) (411) | Full Article (PDF)-1175K (731) | Peer-Review Report-111K (300) | Answering Reviewers-93K (457) | Received: 04/27/2015 | Revised: 08/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (14640) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1371) | Core Tip (1326) | Full Article (HTML) (4997) | Tables (1-3) (413) | Full Article (PDF)-1244K (731) | Peer-Review Report-99K (251) | Answering Reviewers-103K (262) | Received: 06/29/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14781) | Similar Articles (240) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1385) | Core Tip (1335) | Full Article (HTML) (7685) | Figures (1-2) (558) | Tables (1-3) (481) | Full Article (PDF)-1435K (779) | Peer-Review Report-144K (289) | Answering Reviewers-91K (343) | Received: 03/20/2015 | Revised: 04/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (17809) | Similar Articles (50) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1659) | Core Tip (1582) | Full Article (HTML) (9490) | Figures (1-1) (439) | Tables (1-3) (455) | Full Article (PDF)-1377K (1855) | Peer-Review Report-81K (342) | Answering Reviewers-192K (458) | Received: 06/28/2015 | Revised: 08/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (21740) | Similar Articles (41) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1275) | Core Tip (1343) | Full Article (HTML) (4245) | Tables (1-4) (430) | Full Article (PDF)-1160K (515) | Peer-Review Report-118K (232) | Answering Reviewers-450K (243) | Received: 07/23/2015 | Revised: 09/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (12999) | Similar Articles (280) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1160) | Core Tip (1244) | Full Article (HTML) (7181) | Figures (1-1) (445) | Full Article (PDF)-1069K (754) | Peer-Review Report-92K (231) | Answering Reviewers-105K (323) | Received: 03/30/2015 | Revised: 05/30/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (16377) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1366) | Core Tip (1536) | Full Article (HTML) (8448) | Figures (1-6) (530) | Tables (1-1) (407) | Full Article (PDF)-1824K (905) | Peer-Review Report-99K (300) | Answering Reviewers-185K (6389) | Received: 08/12/2015 | Revised: 09/18/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (24884) | Similar Articles (1751) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1432) | Core Tip (1186) | Full Article (HTML) (7494) | Figures (1-3) (428) | Full Article (PDF)-1184K (946) | Peer-Review Report-91K (250) | Answering Reviewers-106K (326) | Received: 04/28/2015 | Revised: 07/27/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (86) | Total Visits (16399) | Similar Articles (1778) | 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 (1215) | Core Tip (1139) | Full Article (HTML) (7517) | Tables (1-1) (372) | Full Article (PDF)-1093K (775) | Peer-Review Report-86K (213) | Answering Reviewers-106K (264) | Received: 04/28/2015 | Revised: 07/10/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (16142) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1270) | Core Tip (1217) | Full Article (HTML) (5034) | Figures (1-8) (496) | Tables (1-8) (468) | Full Article (PDF)-1292K (806) | Peer-Review Report-92K (258) | Answering Reviewers-36K (266) | Received: 04/27/2015 | Revised: 07/03/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (14771) | Similar Articles (2326) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open