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Abstract (1212) | Core Tip (1183) | Full Article (HTML) (4624) | Figures (1-1) (422) | Full Article (PDF)-2065K (484) | Peer-Review Report-158K (224) | Answering Reviewers-96K (303) | Received: 11/27/2012 | Revised: 05/22/2013 | Accepted: 08/29/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (11093) | Similar Articles (81) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1337) | Core Tip (1293) | Full Article (HTML) (5106) | Figures (1-1) (521) | Tables (1-1) (401) | Full Article (PDF)-2528K (593) | Peer-Review Report-163K (280) | Answering Reviewers-67K (312) | Received: 06/13/2013 | Revised: 08/07/2013 | Accepted: 08/20/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (12487) | Similar Articles (3) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1365) | Core Tip (1252) | Full Article (HTML) (7575) | Figures (1-4) (877) | Tables (1-2) (423) | Full Article (PDF)-11451K (768) | Peer-Review Report-98K (338) | Answering Reviewers-43K (327) | Received: 03/14/2013 | Revised: 05/05/2013 | Accepted: 07/05/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (15608) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2002) | Core Tip (1682) | Full Article (HTML) (21650) | Figures (1-1) (601) | Tables (1-1) (430) | Full Article (PDF)-5600K (1487) | 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 (31823) | Similar Articles (178) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1268) | Core Tip (1306) | Full Article (HTML) (6997) | Figures (1-6) (838) | Full Article (PDF)-6779K (525) | Peer-Review Report-103K (246) | Answering Reviewers-80K (285) | Received: 02/18/2013 | Revised: 03/15/2013 | Accepted: 07/19/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (5) | Total Visits (14004) | Similar Articles (29) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1320) | Core Tip (1761) | Full Article (HTML) (5100) | Figures (1-2) (553) | Tables (1-1) (428) | Full Article (PDF)-2130K (571) | Peer-Review Report-83K (232) | Answering Reviewers-25K (279) | Received: 07/01/2013 | Revised: 07/21/2013 | Accepted: 10/16/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (35) | Total Visits (12207) | 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 (1352) | Core Tip (1273) | Full Article (HTML) (7952) | Figures (1-2) (484) | Tables (1-1) (616) | Full Article (PDF)-7479K (940) | Peer-Review Report-95K (294) | Answering Reviewers-88K (269) | Received: 06/28/2013 | Revised: 07/13/2013 | Accepted: 08/17/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (15959) | Similar Articles (48) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1283) | Core Tip (1346) | Full Article (HTML) (13024) | Figures (1-1) (443) | Tables (1-1) (423) | 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 (167) | Total Visits (20159) | Similar Articles (225) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1353) | Core Tip (1070) | Full Article (HTML) (5641) | Figures (1-4) (817) | Tables (1-3) (386) | Full Article (PDF)-3569K (518) | Peer-Review Report-96K (329) | Answering Reviewers-81K (311) | Received: 04/14/2013 | Revised: 05/23/2013 | Accepted: 08/01/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (13302) | Similar Articles (29) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1238) | Core Tip (1143) | Full Article (HTML) (3799) | Figures (1-6) (523) | Tables (1-2) (403) | Full Article (PDF)-5491K (471) | Peer-Review Report-96K (252) | Answering Reviewers-104K (277) | Received: 04/17/2013 | Revised: 06/11/2013 | Accepted: 08/13/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (10676) | Similar Articles (21) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1423) | Core Tip (1191) | Full Article (HTML) (4697) | Figures (1-10) (442) | Tables (1-1) (403) | Full Article (PDF)-6608K (480) | Peer-Review Report-94K (302) | Answering Reviewers-71K (240) | Received: 05/25/2013 | Revised: 08/27/2013 | Accepted: 09/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (11115) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1295) | Core Tip (1134) | Full Article (HTML) (4219) | Figures (1-3) (448) | Tables (1-3) (805) | Full Article (PDF)-3832K (551) | Peer-Review Report-99K (261) | Answering Reviewers-127K (344) | Received: 06/24/2013 | Revised: 08/07/2013 | Accepted: 10/18/2013 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (11408) | Similar Articles (11) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open