Abstract (1274) | Core Tip (1475) | Full Article (HTML) (4807) | Figures (1-1) (292) | Tables (1-1) (274) | Full Article (PDF)-1052K (747) | Received: 11/16/2013 | Revised: 01/01/2014 | Accepted: 01/16/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (11529) | Similar Articles (22) | Timeline of Article Publication (0) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1526) | Core Tip (1276) | Full Article (HTML) (6264) | Figures (1-3) (280) | Tables (1-2) (279) | Full Article (PDF)-1140K (775) | Received: 11/29/2013 | Revised: 01/09/2014 | Accepted: 01/16/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (35) | Total Visits (12317) | Similar Articles (1) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1209) | Core Tip (1098) | Full Article (HTML) (5135) | Figures (1-4) (288) | Full Article (PDF)-1174K (723) | Received: 11/03/2013 | Revised: 12/10/2013 | Accepted: 01/16/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (10592) | Similar Articles (13) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1186) | Core Tip (1053) | Full Article (HTML) (3465) | Figures (1-2) (337) | Tables (1-1) (562) | Full Article (PDF)-1091K (507) | Received: 07/30/2013 | Revised: 12/18/2013 | Accepted: 01/13/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (9400) | Similar Articles (185) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open