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Abstract (1262) | Core Tip (1225) | Full Article (HTML) (4944) | Figures (1-1) (462) | Tables (1-1) (337) | Full Article (PDF)-2528K (550) | Peer-Review Report-163K (261) | Answering Reviewers-67K (289) | Received: 06/13/2013 | Revised: 08/07/2013 | Accepted: 08/20/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (11873) | Similar Articles (3) | 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 (1236) | Core Tip (1615) | Full Article (HTML) (4943) | Figures (1-2) (488) | Tables (1-1) (364) | Full Article (PDF)-2130K (524) | Peer-Review Report-83K (212) | Answering Reviewers-25K (257) | Received: 07/01/2013 | Revised: 07/21/2013 | Accepted: 10/16/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (35) | Total Visits (11477) | Similar Articles (91) | Timeline of Article Publication (0) | Authors Evaluation (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1278) | Core Tip (1210) | Full Article (HTML) (7755) | Figures (1-2) (416) | Tables (1-1) (503) | Full Article (PDF)-7479K (884) | Peer-Review Report-95K (274) | Answering Reviewers-88K (243) | Received: 06/28/2013 | Revised: 07/13/2013 | Accepted: 08/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (15198) | Similar Articles (48) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1203) | Core Tip (1269) | Full Article (HTML) (11288) | Figures (1-1) (387) | Tables (1-1) (376) | Full Article (PDF)-2249K (691) | Peer-Review Report-195K (236) | Answering Reviewers-395K (265) | Received: 05/16/2013 | Revised: 07/06/2013 | Accepted: 09/05/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (167) | Total Visits (17926) | Similar Articles (219) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1274) | Core Tip (998) | Full Article (HTML) (5407) | Figures (1-4) (736) | Tables (1-3) (321) | Full Article (PDF)-3569K (465) | Peer-Review Report-96K (296) | Answering Reviewers-81K (291) | Received: 04/14/2013 | Revised: 05/23/2013 | Accepted: 08/01/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (12526) | Similar Articles (28) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1162) | Core Tip (1067) | Full Article (HTML) (3678) | Figures (1-6) (458) | Tables (1-2) (335) | Full Article (PDF)-5491K (449) | Peer-Review Report-96K (230) | Answering Reviewers-104K (259) | Received: 04/17/2013 | Revised: 06/11/2013 | Accepted: 08/13/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (10067) | Similar Articles (20) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1349) | Core Tip (1134) | Full Article (HTML) (4565) | Figures (1-10) (378) | Tables (1-1) (346) | Full Article (PDF)-6608K (434) | Peer-Review Report-94K (274) | Answering Reviewers-71K (215) | Received: 05/25/2013 | Revised: 08/27/2013 | Accepted: 09/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (10511) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1218) | Core Tip (1061) | Full Article (HTML) (4084) | Figures (1-3) (398) | Tables (1-3) (691) | Full Article (PDF)-3832K (531) | Peer-Review Report-99K (233) | Answering Reviewers-127K (319) | Received: 06/24/2013 | Revised: 08/07/2013 | Accepted: 10/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (10766) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open