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Abstract (1371) | Core Tip (1344) | Full Article (HTML) (5189) | Figures (1-1) (549) | Tables (1-1) (441) | Full Article (PDF)-2528K (610) | Peer-Review Report-163K (288) | Answering Reviewers-67K (319) | Received: 06/13/2013 | Revised: 08/07/2013 | Accepted: 08/20/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (12851) | 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 (2044) | Core Tip (1729) | Full Article (HTML) (21947) | Figures (1-1) (630) | Tables (1-1) (461) | Full Article (PDF)-5600K (3533) | Peer-Review Report-131K (324) | Answering Reviewers-85K (341) | Received: 06/24/2013 | Revised: 08/01/2013 | Accepted: 09/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (209) | Total Visits (34450) | Similar Articles (180) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1360) | Core Tip (1831) | Full Article (HTML) (5197) | Figures (1-2) (587) | Tables (1-1) (462) | Full Article (PDF)-2130K (589) | Peer-Review Report-83K (240) | Answering Reviewers-25K (287) | Received: 07/01/2013 | Revised: 07/21/2013 | Accepted: 10/16/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (35) | Total Visits (12611) | 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 (1392) | Core Tip (1310) | Full Article (HTML) (8069) | Figures (1-2) (509) | Tables (1-1) (671) | Full Article (PDF)-7479K (1006) | Peer-Review Report-95K (303) | Answering Reviewers-88K (280) | Received: 06/28/2013 | Revised: 07/13/2013 | Accepted: 08/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (16418) | Similar Articles (49) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1313) | Core Tip (1385) | Full Article (HTML) (15619) | Figures (1-1) (475) | Tables (1-1) (454) | Full Article (PDF)-2249K (2791) | Peer-Review Report-195K (297) | Answering Reviewers-395K (300) | Received: 05/16/2013 | Revised: 07/06/2013 | Accepted: 09/05/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (170) | Total Visits (25017) | Similar Articles (227) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1388) | Core Tip (1108) | Full Article (HTML) (5768) | Figures (1-4) (864) | Tables (1-3) (422) | Full Article (PDF)-3569K (531) | Peer-Review Report-96K (349) | Answering Reviewers-81K (319) | Received: 04/14/2013 | Revised: 05/23/2013 | Accepted: 08/01/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (13707) | Similar Articles (29) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1264) | Core Tip (1176) | Full Article (HTML) (3877) | Figures (1-6) (552) | Tables (1-2) (438) | Full Article (PDF)-5491K (480) | Peer-Review Report-96K (260) | Answering Reviewers-104K (284) | Received: 04/17/2013 | Revised: 06/11/2013 | Accepted: 08/13/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (11002) | Similar Articles (21) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1461) | Core Tip (1223) | Full Article (HTML) (4798) | Figures (1-10) (472) | Tables (1-1) (436) | Full Article (PDF)-6608K (499) | Peer-Review Report-94K (312) | Answering Reviewers-71K (248) | Received: 05/25/2013 | Revised: 08/27/2013 | Accepted: 09/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (11491) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1337) | Core Tip (1175) | Full Article (HTML) (4299) | Figures (1-3) (476) | Tables (1-3) (855) | Full Article (PDF)-3832K (567) | Peer-Review Report-99K (268) | Answering Reviewers-127K (349) | Received: 06/24/2013 | Revised: 08/07/2013 | Accepted: 10/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (11760) | Similar Articles (12) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open