Abstract (875) | Core Tip (789) | Full Article (HTML) (2843) | Full Article (PDF)-800K (300) | Peer-Review Report-103K (140) | Answering Reviewers-36K (126) | Received: 06/10/2014 | Revised: 07/19/2014 | Accepted: 10/16/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (7463) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1399) | Core Tip (1121) | Full Article (HTML) (16686) | Figures (1-9) (372) | Full Article (PDF)-1587K (1696) | Peer-Review Report-124K (332) | Answering Reviewers-74K (339) | Received: 06/16/2014 | Revised: 07/31/2014 | Accepted: 10/16/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (83) | Total Visits (27428) | Similar Articles (0) | Timeline of Article Publication (4) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (980) | Core Tip (912) | Full Article (HTML) (2759) | Tables (1-3) (186) | Full Article (PDF)-829K (527) | Peer-Review Report-95K (208) | Answering Reviewers-30K (205) | Received: 07/19/2014 | Revised: 09/13/2014 | Accepted: 10/27/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (9741) | Similar Articles (249) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1221) | Core Tip (1082) | Full Article (HTML) (3835) | Figures (1-2) (241) | Tables (1-2) (155) | Full Article (PDF)-963K (474) | Peer-Review Report-91K (282) | Answering Reviewers-38K (244) | Received: 08/31/2014 | Revised: 09/24/2014 | Accepted: 10/27/2014 | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (15244) | Similar Articles (22) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open