Abstract (1365) | Core Tip (1227) | Full Article (HTML) (3907) | Figures (1-4) (889) | Full Article (PDF)-4067K (435) | Peer-Review Report-98K (271) | Answering Reviewers-319K (296) | Received: 07/26/2013 | Revised: 09/06/2013 | Accepted: 09/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (0) | Total Visits (10093) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1121) | Core Tip (1111) | Full Article (HTML) (4458) | Figures (1-1) (368) | Full Article (PDF)-2065K (440) | Peer-Review Report-158K (206) | Answering Reviewers-96K (267) | Received: 11/27/2012 | Revised: 05/22/2013 | Accepted: 08/29/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (10499) | Similar Articles (77) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1268) | Core Tip (1228) | Full Article (HTML) (4956) | Figures (1-1) (467) | Tables (1-1) (341) | Full Article (PDF)-2528K (550) | Peer-Review Report-163K (262) | Answering Reviewers-67K (291) | Received: 06/13/2013 | Revised: 08/07/2013 | Accepted: 08/20/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (11917) | Similar Articles (3) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1296) | Core Tip (1188) | Full Article (HTML) (7407) | Figures (1-4) (763) | Tables (1-2) (370) | Full Article (PDF)-11451K (707) | Peer-Review Report-98K (314) | Answering Reviewers-43K (293) | Received: 03/14/2013 | Revised: 05/05/2013 | Accepted: 07/05/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (14851) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1921) | Core Tip (1600) | Full Article (HTML) (20802) | Figures (1-1) (551) | Tables (1-1) (376) | Full Article (PDF)-5600K (1426) | Peer-Review Report-131K (286) | Answering Reviewers-85K (302) | Received: 06/24/2013 | Revised: 08/01/2013 | Accepted: 09/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (204) | Total Visits (30491) | Similar Articles (176) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1203) | Core Tip (1232) | Full Article (HTML) (6795) | Figures (1-6) (738) | Full Article (PDF)-6779K (492) | Peer-Review Report-103K (220) | Answering Reviewers-80K (259) | Received: 02/18/2013 | Revised: 03/15/2013 | Accepted: 07/19/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (5) | Total Visits (13356) | Similar Articles (28) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1243) | Core Tip (1631) | Full Article (HTML) (4962) | Figures (1-2) (491) | Tables (1-1) (367) | Full Article (PDF)-2130K (526) | Peer-Review Report-83K (216) | Answering Reviewers-25K (262) | Received: 07/01/2013 | Revised: 07/21/2013 | Accepted: 10/16/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (35) | Total Visits (11540) | 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 (1284) | Core Tip (1217) | Full Article (HTML) (7773) | Figures (1-2) (418) | Tables (1-1) (515) | Full Article (PDF)-7479K (889) | Peer-Review Report-95K (276) | Answering Reviewers-88K (244) | Received: 06/28/2013 | Revised: 07/13/2013 | Accepted: 08/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (15264) | Similar Articles (48) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1209) | Core Tip (1276) | Full Article (HTML) (11313) | Figures (1-1) (390) | Tables (1-1) (377) | Full Article (PDF)-2249K (694) | Peer-Review Report-195K (236) | Answering Reviewers-395K (267) | Received: 05/16/2013 | Revised: 07/06/2013 | Accepted: 09/05/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (167) | Total Visits (17988) | Similar Articles (221) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1281) | Core Tip (1006) | Full Article (HTML) (5425) | Figures (1-4) (741) | Tables (1-3) (327) | Full Article (PDF)-3569K (471) | Peer-Review Report-96K (299) | Answering Reviewers-81K (294) | Received: 04/14/2013 | Revised: 05/23/2013 | Accepted: 08/01/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (12600) | Similar Articles (29) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1168) | Core Tip (1074) | Full Article (HTML) (3688) | Figures (1-6) (462) | Tables (1-2) (338) | Full Article (PDF)-5491K (454) | Peer-Review Report-96K (230) | Answering Reviewers-104K (259) | Received: 04/17/2013 | Revised: 06/11/2013 | Accepted: 08/13/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (10106) | Similar Articles (20) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1353) | Core Tip (1137) | Full Article (HTML) (4577) | Figures (1-10) (384) | Tables (1-1) (349) | Full Article (PDF)-6608K (435) | Peer-Review Report-94K (278) | Answering Reviewers-71K (217) | Received: 05/25/2013 | Revised: 08/27/2013 | Accepted: 09/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (10561) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1224) | Core Tip (1069) | Full Article (HTML) (4094) | Figures (1-3) (401) | Tables (1-3) (701) | Full Article (PDF)-3832K (534) | Peer-Review Report-99K (236) | Answering Reviewers-127K (321) | Received: 06/24/2013 | Revised: 08/07/2013 | Accepted: 10/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (10825) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open