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Abstract (2931) | Core Tip (2515) | Full Article (HTML) (150232) | Figures (1-3) (1823) | Full Article (PDF)-1029K (4307) | Peer-Review Report-133K (523) | Answering Reviewers-58K (600) | Received: 01/26/2015 | Revised: 04/21/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (225) | Total Visits (172790) | Similar Articles (293) | Timeline of Article Publication (11) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1788) | Core Tip (1405) | Full Article (HTML) (19100) | Figures (1-2) (861) | Tables (1-1) (478) | Full Article (PDF)-915K (1876) | Peer-Review Report-98K (344) | Answering Reviewers-311K (379) | Received: 05/09/2015 | Revised: 06/13/2015 | Accepted: 07/08/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (142) | Total Visits (33587) | Similar Articles (15) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1317) | Core Tip (1422) | Full Article (HTML) (11868) | Tables (1-1) (497) | Full Article (PDF)-855K (914) | Peer-Review Report-101K (293) | Answering Reviewers-160K (280) | Received: 03/27/2015 | Revised: 05/09/2015 | Accepted: 07/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (84) | Total Visits (22017) | Similar Articles (1043) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1402) | Core Tip (1391) | Full Article (HTML) (8838) | Figures (1-5) (510) | Full Article (PDF)-1561K (818) | Peer-Review Report-131K (262) | Answering Reviewers-224K (332) | Received: 04/04/2015 | Revised: 05/16/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (65) | Total Visits (20770) | Similar Articles (15) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (3) | Open

Abstract (1335) | Core Tip (1473) | Full Article (HTML) (9855) | Figures (1-2) (630) | Tables (1-2) (431) | Full Article (PDF)-967K (795) | Peer-Review Report-96K (250) | Answering Reviewers-151K (344) | Received: 03/13/2015 | Revised: 05/10/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (22223) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1723) | Core Tip (1482) | Full Article (HTML) (10436) | Figures (1-1) (586) | Tables (1-3) (409) | Full Article (PDF)-1165K (1116) | Peer-Review Report-104K (369) | Answering Reviewers-94K (343) | Received: 02/03/2015 | Revised: 05/12/2015 | Accepted: 07/18/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (110) | Total Visits (23915) | Similar Articles (26) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1335) | Core Tip (1138) | Full Article (HTML) (4292) | Figures (1-2) (456) | Tables (1-2) (451) | Full Article (PDF)-971K (488) | Peer-Review Report-86K (242) | Answering Reviewers-110K (233) | Received: 01/03/2015 | Revised: 03/22/2015 | Accepted: 05/07/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (15295) | Similar Articles (352) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1217) | Core Tip (1239) | Full Article (HTML) (4395) | Figures (1-4) (409) | Tables (1-3) (427) | Full Article (PDF)-940K (472) | Peer-Review Report-131K (244) | Answering Reviewers-92K (217) | Received: 03/27/2015 | Revised: 06/22/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (15084) | Similar Articles (1245) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1123) | Core Tip (1190) | Full Article (HTML) (4242) | Figures (1-4) (461) | Tables (1-1) (423) | Full Article (PDF)-1595K (517) | Peer-Review Report-123K (245) | Answering Reviewers-267K (264) | Received: 03/11/2015 | Revised: 06/17/2015 | Accepted: 07/08/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (13713) | Similar Articles (1258) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1302) | Core Tip (1279) | Full Article (HTML) (5356) | Figures (1-4) (440) | Tables (1-2) (414) | Full Article (PDF)-1322K (683) | Peer-Review Report-127K (281) | Answering Reviewers-120K (308) | Received: 01/28/2015 | Revised: 04/07/2015 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (15847) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1322) | Core Tip (1212) | Full Article (HTML) (4553) | Figures (1-5) (421) | Tables (1-3) (460) | Full Article (PDF)-2023K (681) | Peer-Review Report-163K (275) | Answering Reviewers-258K (261) | Received: 03/09/2015 | Revised: 05/21/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (15037) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1410) | Core Tip (1444) | Full Article (HTML) (7199) | Figures (1-1) (476) | Tables (1-4) (449) | Full Article (PDF)-883K (988) | Peer-Review Report-132K (335) | Answering Reviewers-103K (272) | Received: 12/05/2014 | Revised: 02/28/2015 | Accepted: 04/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (17527) | Similar Articles (243) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1178) | Core Tip (1208) | Full Article (HTML) (3727) | Figures (1-1) (455) | Tables (1-3) (420) | Full Article (PDF)-786K (579) | Peer-Review Report-97K (211) | Answering Reviewers-99K (241) | Received: 03/10/2015 | Revised: 04/15/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (13060) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1197) | Core Tip (1226) | Full Article (HTML) (4376) | Figures (1-3) (436) | Tables (1-1) (426) | Full Article (PDF)-1124K (436) | Peer-Review Report-97K (255) | Answering Reviewers-186K (199) | Received: 01/20/2015 | Revised: 03/20/2015 | Accepted: 04/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (13035) | Similar Articles (5) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1314) | Core Tip (1366) | Full Article (HTML) (5262) | Figures (1-1) (716) | Tables (1-4) (422) | Full Article (PDF)-1072K (617) | Peer-Review Report-158K (422) | Answering Reviewers-180K (274) | Received: 01/22/2015 | Revised: 03/30/2015 | Accepted: 05/07/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (42) | Total Visits (16008) | Similar Articles (23) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1269) | Core Tip (1328) | Full Article (HTML) (4758) | Figures (1-4) (472) | Tables (1-6) (378) | Full Article (PDF)-862K (661) | Peer-Review Report-92K (269) | Answering Reviewers-96K (269) | Received: 11/02/2014 | Revised: 03/11/2015 | Accepted: 04/17/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (15166) | Similar Articles (1) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1188) | Core Tip (1064) | Full Article (HTML) (4219) | Figures (1-2) (440) | Tables (1-5) (429) | Full Article (PDF)-2050K (502) | Peer-Review Report-148K (277) | Answering Reviewers-212K (249) | Received: 04/07/2015 | Revised: 05/13/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (14091) | Similar Articles (1196) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1167) | Core Tip (1093) | Full Article (HTML) (3463) | Figures (1-1) (459) | Tables (1-2) (456) | Full Article (PDF)-838K (395) | Peer-Review Report-79K (195) | Answering Reviewers-88K (274) | Received: 07/24/2014 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (11710) | Similar Articles (13) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1159) | Core Tip (1155) | Full Article (HTML) (4151) | Figures (1-1) (444) | Tables (1-3) (439) | Full Article (PDF)-870K (454) | Peer-Review Report-116K (278) | Answering Reviewers-101K (205) | Received: 09/30/2014 | Revised: 12/21/2014 | Accepted: 04/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (13818) | Similar Articles (301) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1125) | Core Tip (1255) | Full Article (HTML) (4435) | Figures (1-4) (469) | Full Article (PDF)-796K (640) | Peer-Review Report-108K (309) | Answering Reviewers-194K (294) | Received: 03/07/2015 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (13320) | Similar Articles (335) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1509) | Core Tip (1234) | Full Article (HTML) (3861) | Figures (1-3) (465) | Full Article (PDF)-1201K (446) | Peer-Review Report-82K (279) | Answering Reviewers-93K (278) | Received: 05/11/2014 | Revised: 07/08/2014 | Accepted: 08/28/2014 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (13024) | Similar Articles (219) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1214) | Core Tip (1168) | Full Article (HTML) (3127) | Figures (1-2) (504) | Tables (1-1) (420) | Full Article (PDF)-1418K (385) | Peer-Review Report-123K (198) | Answering Reviewers-26K (188) | Received: 04/09/2015 | Revised: 05/11/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (11487) | Similar Articles (19) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1183) | Core Tip (1092) | Full Article (HTML) (4359) | Figures (1-6) (847) | Full Article (PDF)-980K (450) | Peer-Review Report-139K (323) | Answering Reviewers-534K (296) | Received: 01/14/2015 | Revised: 04/27/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (3) | Total Visits (13320) | Similar Articles (75) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1249) | Core Tip (1275) | Full Article (HTML) (3945) | Figures (1-1) (526) | Full Article (PDF)-805K (413) | Peer-Review Report-91K (271) | Answering Reviewers-172K (239) | Received: 02/03/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (11754) | Similar Articles (12) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open