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Abstract (1406) | Core Tip (1379) | Full Article (HTML) (5260) | Figures (1-1) (581) | Tables (1-1) (472) | Full Article (PDF)-2528K (652) | Peer-Review Report-163K (301) | Answering Reviewers-67K (335) | Received: 06/13/2013 | Revised: 08/07/2013 | Accepted: 08/20/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (13389) | 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 (2080) | Core Tip (1763) | Full Article (HTML) (22151) | Figures (1-1) (661) | Tables (1-1) (490) | Full Article (PDF)-5600K (3583) | Peer-Review Report-131K (358) | Answering Reviewers-85K (357) | Received: 06/24/2013 | Revised: 08/01/2013 | Accepted: 09/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (211) | Total Visits (35096) | Similar Articles (191) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1337) | Core Tip (1381) | Full Article (HTML) (7177) | Figures (1-6) (922) | Full Article (PDF)-6779K (565) | Peer-Review Report-103K (271) | Answering Reviewers-80K (305) | Received: 02/18/2013 | Revised: 03/15/2013 | Accepted: 07/19/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (5) | Total Visits (14778) | Similar Articles (32) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1395) | Core Tip (1859) | Full Article (HTML) (5249) | Figures (1-2) (618) | Tables (1-1) (492) | Full Article (PDF)-2130K (617) | Peer-Review Report-83K (257) | Answering Reviewers-25K (303) | Received: 07/01/2013 | Revised: 07/21/2013 | Accepted: 10/16/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (35) | Total Visits (13063) | Similar Articles (96) | Timeline of Article Publication (0) | Authors Evaluation (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1423) | Core Tip (1345) | Full Article (HTML) (8154) | Figures (1-2) (534) | Tables (1-1) (700) | Full Article (PDF)-7479K (1043) | Peer-Review Report-95K (322) | Answering Reviewers-88K (296) | Received: 06/28/2013 | Revised: 07/13/2013 | Accepted: 08/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (16928) | Similar Articles (49) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1347) | Core Tip (1425) | Full Article (HTML) (15742) | Figures (1-1) (500) | Tables (1-1) (479) | Full Article (PDF)-2249K (2841) | Peer-Review Report-195K (310) | Answering Reviewers-395K (314) | Received: 05/16/2013 | Revised: 07/06/2013 | Accepted: 09/05/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (174) | Total Visits (25529) | Similar Articles (239) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1425) | Core Tip (1144) | Full Article (HTML) (5890) | Figures (1-4) (920) | Tables (1-3) (451) | Full Article (PDF)-3569K (558) | Peer-Review Report-96K (366) | Answering Reviewers-81K (337) | Received: 04/14/2013 | Revised: 05/23/2013 | Accepted: 08/01/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (14257) | Similar Articles (29) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1304) | Core Tip (1211) | Full Article (HTML) (3952) | Figures (1-6) (581) | Tables (1-2) (471) | Full Article (PDF)-5491K (502) | Peer-Review Report-96K (270) | Answering Reviewers-104K (297) | Received: 04/17/2013 | Revised: 06/11/2013 | Accepted: 08/13/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (11554) | Similar Articles (22) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1500) | Core Tip (1261) | Full Article (HTML) (4920) | Figures (1-10) (505) | Tables (1-1) (461) | Full Article (PDF)-6608K (522) | Peer-Review Report-94K (331) | Answering Reviewers-71K (263) | Received: 05/25/2013 | Revised: 08/27/2013 | Accepted: 09/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (11913) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1375) | Core Tip (1208) | Full Article (HTML) (4353) | Figures (1-3) (508) | Tables (1-3) (883) | Full Article (PDF)-3832K (589) | Peer-Review Report-99K (284) | Answering Reviewers-127K (361) | Received: 06/24/2013 | Revised: 08/07/2013 | Accepted: 10/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (12216) | Similar Articles (13) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open