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Abstract (1288) | Core Tip (1246) | Full Article (HTML) (5001) | Figures (1-1) (486) | Tables (1-1) (364) | Full Article (PDF)-2528K (569) | Peer-Review Report-163K (270) | Answering Reviewers-67K (299) | Received: 06/13/2013 | Revised: 08/07/2013 | Accepted: 08/20/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (12111) | 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 (1946) | Core Tip (1627) | Full Article (HTML) (20970) | Figures (1-1) (566) | Tables (1-1) (398) | Full Article (PDF)-5600K (1444) | Peer-Review Report-131K (299) | Answering Reviewers-85K (314) | Received: 06/24/2013 | Revised: 08/01/2013 | Accepted: 09/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (204) | Total Visits (30813) | Similar Articles (177) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1223) | Core Tip (1255) | Full Article (HTML) (6862) | Figures (1-6) (772) | Full Article (PDF)-6779K (502) | Peer-Review Report-103K (231) | Answering Reviewers-80K (270) | Received: 02/18/2013 | Revised: 03/15/2013 | Accepted: 07/19/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (5) | Total Visits (13565) | Similar Articles (28) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1267) | Core Tip (1673) | Full Article (HTML) (4998) | Figures (1-2) (514) | Tables (1-1) (391) | Full Article (PDF)-2130K (544) | Peer-Review Report-83K (218) | Answering Reviewers-25K (269) | Received: 07/01/2013 | Revised: 07/21/2013 | Accepted: 10/16/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (35) | Total Visits (11731) | 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 (1308) | Core Tip (1232) | Full Article (HTML) (7840) | Figures (1-2) (442) | Tables (1-1) (548) | Full Article (PDF)-7479K (910) | Peer-Review Report-95K (285) | Answering Reviewers-88K (254) | Received: 06/28/2013 | Revised: 07/13/2013 | Accepted: 08/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (15504) | Similar Articles (48) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1224) | Core Tip (1294) | Full Article (HTML) (11455) | Figures (1-1) (408) | Tables (1-1) (395) | Full Article (PDF)-2249K (715) | Peer-Review Report-195K (247) | Answering Reviewers-395K (279) | Received: 05/16/2013 | Revised: 07/06/2013 | Accepted: 09/05/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (167) | Total Visits (18270) | Similar Articles (222) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1302) | Core Tip (1023) | Full Article (HTML) (5478) | Figures (1-4) (766) | Tables (1-3) (351) | Full Article (PDF)-3569K (495) | Peer-Review Report-96K (303) | Answering Reviewers-81K (298) | Received: 04/14/2013 | Revised: 05/23/2013 | Accepted: 08/01/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (12801) | Similar Articles (29) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1186) | Core Tip (1089) | Full Article (HTML) (3714) | Figures (1-6) (479) | Tables (1-2) (362) | Full Article (PDF)-5491K (458) | Peer-Review Report-96K (237) | Answering Reviewers-104K (269) | Received: 04/17/2013 | Revised: 06/11/2013 | Accepted: 08/13/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (10278) | Similar Articles (20) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1372) | Core Tip (1147) | Full Article (HTML) (4606) | Figures (1-10) (404) | Tables (1-1) (367) | Full Article (PDF)-6608K (459) | Peer-Review Report-94K (287) | Answering Reviewers-71K (227) | Received: 05/25/2013 | Revised: 08/27/2013 | Accepted: 09/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (10707) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1249) | Core Tip (1089) | Full Article (HTML) (4126) | Figures (1-3) (418) | Tables (1-3) (739) | Full Article (PDF)-3832K (538) | Peer-Review Report-99K (245) | Answering Reviewers-127K (330) | Received: 06/24/2013 | Revised: 08/07/2013 | Accepted: 10/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (10987) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open