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Abstract (1342) | Core Tip (1302) | Full Article (HTML) (5112) | Figures (1-1) (523) | Tables (1-1) (404) | Full Article (PDF)-2528K (594) | Peer-Review Report-163K (282) | Answering Reviewers-67K (313) | Received: 06/13/2013 | Revised: 08/07/2013 | Accepted: 08/20/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (12517) | Similar Articles (3) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1367) | Core Tip (1257) | Full Article (HTML) (7581) | Figures (1-4) (879) | Tables (1-2) (426) | Full Article (PDF)-11451K (768) | Peer-Review Report-98K (339) | Answering Reviewers-43K (328) | Received: 03/14/2013 | Revised: 05/05/2013 | Accepted: 07/05/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (15630) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2004) | Core Tip (1684) | Full Article (HTML) (21685) | Figures (1-1) (604) | Tables (1-1) (434) | Full Article (PDF)-5600K (1488) | Peer-Review Report-131K (313) | Answering Reviewers-85K (331) | Received: 06/24/2013 | Revised: 08/01/2013 | Accepted: 09/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (207) | Total Visits (31877) | Similar Articles (179) | 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 (1364) | Core Tip (1279) | Full Article (HTML) (7967) | Figures (1-2) (486) | Tables (1-1) (618) | Full Article (PDF)-7479K (940) | Peer-Review Report-95K (295) | Answering Reviewers-88K (270) | Received: 06/28/2013 | Revised: 07/13/2013 | Accepted: 08/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (16000) | Similar Articles (49) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1285) | Core Tip (1352) | Full Article (HTML) (13037) | Figures (1-1) (445) | Tables (1-1) (426) | Full Article (PDF)-2249K (744) | Peer-Review Report-195K (278) | Answering Reviewers-395K (294) | Received: 05/16/2013 | Revised: 07/06/2013 | Accepted: 09/05/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (168) | Total Visits (20187) | Similar Articles (225) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1356) | Core Tip (1074) | Full Article (HTML) (5647) | Figures (1-4) (819) | Tables (1-3) (390) | Full Article (PDF)-3569K (520) | Peer-Review Report-96K (331) | Answering Reviewers-81K (312) | Received: 04/14/2013 | Revised: 05/23/2013 | Accepted: 08/01/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (13328) | Similar Articles (29) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1242) | Core Tip (1147) | Full Article (HTML) (3807) | Figures (1-6) (525) | Tables (1-2) (408) | Full Article (PDF)-5491K (472) | Peer-Review Report-96K (253) | Answering Reviewers-104K (278) | Received: 04/17/2013 | Revised: 06/11/2013 | Accepted: 08/13/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (10712) | Similar Articles (21) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1428) | Core Tip (1197) | Full Article (HTML) (4709) | Figures (1-10) (444) | Tables (1-1) (406) | Full Article (PDF)-6608K (482) | Peer-Review Report-94K (304) | Answering Reviewers-71K (242) | Received: 05/25/2013 | Revised: 08/27/2013 | Accepted: 09/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (11151) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1300) | Core Tip (1139) | Full Article (HTML) (4224) | Figures (1-3) (450) | Tables (1-3) (807) | Full Article (PDF)-3832K (551) | Peer-Review Report-99K (262) | Answering Reviewers-127K (345) | Received: 06/24/2013 | Revised: 08/07/2013 | Accepted: 10/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (11441) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open