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Abstract (1291) | Core Tip (1250) | Full Article (HTML) (5006) | Figures (1-1) (490) | Tables (1-1) (366) | Full Article (PDF)-2528K (570) | Peer-Review Report-163K (271) | Answering Reviewers-67K (300) | Received: 06/13/2013 | Revised: 08/07/2013 | Accepted: 08/20/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (12139) | 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 (1950) | Core Tip (1630) | Full Article (HTML) (21001) | Figures (1-1) (569) | Tables (1-1) (400) | Full Article (PDF)-5600K (1450) | Peer-Review Report-131K (300) | Answering Reviewers-85K (315) | Received: 06/24/2013 | Revised: 08/01/2013 | Accepted: 09/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (204) | Total Visits (30870) | Similar Articles (177) | 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 (1312) | Core Tip (1236) | Full Article (HTML) (7852) | Figures (1-2) (446) | Tables (1-1) (552) | Full Article (PDF)-7479K (912) | Peer-Review Report-95K (286) | Answering Reviewers-88K (255) | Received: 06/28/2013 | Revised: 07/13/2013 | Accepted: 08/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (15545) | Similar Articles (48) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1233) | Core Tip (1301) | Full Article (HTML) (11471) | Figures (1-1) (412) | Tables (1-1) (397) | Full Article (PDF)-2249K (718) | Peer-Review Report-195K (251) | Answering Reviewers-395K (281) | Received: 05/16/2013 | Revised: 07/06/2013 | Accepted: 09/05/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (167) | Total Visits (18319) | Similar Articles (222) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1308) | Core Tip (1030) | Full Article (HTML) (5489) | Figures (1-4) (769) | Tables (1-3) (352) | Full Article (PDF)-3569K (497) | Peer-Review Report-96K (305) | Answering Reviewers-81K (299) | Received: 04/14/2013 | Revised: 05/23/2013 | Accepted: 08/01/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (12837) | Similar Articles (29) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1191) | Core Tip (1097) | Full Article (HTML) (3716) | Figures (1-6) (484) | Tables (1-2) (366) | Full Article (PDF)-5491K (461) | Peer-Review Report-96K (238) | Answering Reviewers-104K (270) | Received: 04/17/2013 | Revised: 06/11/2013 | Accepted: 08/13/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (10308) | Similar Articles (20) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1376) | Core Tip (1152) | Full Article (HTML) (4612) | Figures (1-10) (407) | Tables (1-1) (368) | Full Article (PDF)-6608K (459) | Peer-Review Report-94K (288) | Answering Reviewers-71K (228) | Received: 05/25/2013 | Revised: 08/27/2013 | Accepted: 09/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (10732) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1253) | Core Tip (1091) | Full Article (HTML) (4134) | Figures (1-3) (421) | Tables (1-3) (745) | Full Article (PDF)-3832K (539) | Peer-Review Report-99K (247) | Answering Reviewers-127K (331) | Received: 06/24/2013 | Revised: 08/07/2013 | Accepted: 10/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (11019) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open