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Abstract (1183) | Core Tip (1225) | Full Article (HTML) (5182) | Tables (1-1) (482) | Full Article (PDF)-732K (633) | Peer-Review Report-126K (262) | Answering Reviewers-164K (275) | Received: 03/15/2015 | Revised: 05/08/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (13565) | Similar Articles (621) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2923) | Core Tip (2509) | Full Article (HTML) (149818) | Figures (1-3) (1818) | Full Article (PDF)-1029K (4305) | Peer-Review Report-133K (522) | Answering Reviewers-58K (599) | Received: 01/26/2015 | Revised: 04/21/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (224) | Total Visits (172346) | Similar Articles (293) | Timeline of Article Publication (11) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1776) | Core Tip (1396) | Full Article (HTML) (19040) | Figures (1-2) (858) | Tables (1-1) (474) | Full Article (PDF)-915K (1874) | Peer-Review Report-98K (342) | Answering Reviewers-311K (377) | Received: 05/09/2015 | Revised: 06/13/2015 | Accepted: 07/08/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (142) | Total Visits (33475) | Similar Articles (15) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1313) | Core Tip (1417) | Full Article (HTML) (11853) | Tables (1-1) (494) | Full Article (PDF)-855K (914) | Peer-Review Report-101K (292) | 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 (21965) | Similar Articles (1042) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1395) | Core Tip (1387) | Full Article (HTML) (8825) | Figures (1-5) (506) | Full Article (PDF)-1561K (818) | Peer-Review Report-131K (261) | Answering Reviewers-224K (331) | Received: 04/04/2015 | Revised: 05/16/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (65) | Total Visits (20737) | Similar Articles (15) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (3) | Open

Abstract (1328) | Core Tip (1465) | Full Article (HTML) (9729) | Figures (1-2) (628) | Tables (1-2) (426) | Full Article (PDF)-967K (793) | Peer-Review Report-96K (248) | Answering Reviewers-151K (343) | Received: 03/13/2015 | Revised: 05/10/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (22053) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1714) | Core Tip (1476) | Full Article (HTML) (10412) | Figures (1-1) (583) | Tables (1-3) (403) | Full Article (PDF)-1165K (1115) | Peer-Review Report-104K (366) | Answering Reviewers-94K (342) | Received: 02/03/2015 | Revised: 05/12/2015 | Accepted: 07/18/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (110) | Total Visits (23856) | Similar Articles (26) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1327) | Core Tip (1126) | Full Article (HTML) (4284) | Figures (1-2) (453) | Tables (1-2) (448) | Full Article (PDF)-971K (487) | Peer-Review Report-86K (241) | Answering Reviewers-110K (231) | Received: 01/03/2015 | Revised: 03/22/2015 | Accepted: 05/07/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (15252) | Similar Articles (352) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1210) | Core Tip (1230) | Full Article (HTML) (4384) | Figures (1-4) (406) | Tables (1-3) (424) | Full Article (PDF)-940K (471) | Peer-Review Report-131K (243) | Answering Reviewers-92K (216) | Received: 03/27/2015 | Revised: 06/22/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (15011) | Similar Articles (1243) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1120) | Core Tip (1184) | Full Article (HTML) (4234) | Figures (1-4) (454) | Tables (1-1) (420) | Full Article (PDF)-1595K (517) | Peer-Review Report-123K (244) | 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 (13682) | Similar Articles (1256) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1299) | Core Tip (1274) | Full Article (HTML) (5346) | Figures (1-4) (434) | Tables (1-2) (408) | Full Article (PDF)-1322K (681) | 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 (15813) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1316) | Core Tip (1208) | Full Article (HTML) (4540) | Figures (1-5) (420) | Tables (1-3) (458) | Full Article (PDF)-2023K (681) | Peer-Review Report-163K (274) | Answering Reviewers-258K (260) | Received: 03/09/2015 | Revised: 05/21/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (15003) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1408) | Core Tip (1439) | Full Article (HTML) (7182) | Figures (1-1) (471) | Tables (1-4) (446) | Full Article (PDF)-883K (986) | Peer-Review Report-132K (334) | Answering Reviewers-103K (271) | Received: 12/05/2014 | Revised: 02/28/2015 | Accepted: 04/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (17477) | Similar Articles (243) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1174) | Core Tip (1203) | Full Article (HTML) (3721) | Figures (1-1) (452) | Tables (1-3) (413) | 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 (13035) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1194) | Core Tip (1222) | Full Article (HTML) (4366) | Figures (1-3) (433) | Tables (1-1) (423) | Full Article (PDF)-1124K (435) | 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 (13010) | Similar Articles (5) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1311) | Core Tip (1363) | Full Article (HTML) (5253) | Figures (1-1) (712) | Tables (1-4) (419) | Full Article (PDF)-1072K (616) | 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 (15975) | Similar Articles (23) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1263) | Core Tip (1324) | Full Article (HTML) (4751) | Figures (1-4) (470) | Tables (1-6) (375) | 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 (15128) | Similar Articles (1) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1184) | Core Tip (1055) | Full Article (HTML) (4208) | Figures (1-2) (436) | Tables (1-5) (425) | 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 (14057) | Similar Articles (1194) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1161) | Core Tip (1089) | Full Article (HTML) (3453) | Figures (1-1) (457) | Tables (1-2) (454) | 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 (11685) | Similar Articles (12) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1152) | Core Tip (1150) | Full Article (HTML) (4145) | Figures (1-1) (440) | Tables (1-3) (435) | Full Article (PDF)-870K (454) | Peer-Review Report-116K (277) | 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 (13789) | Similar Articles (301) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1116) | Core Tip (1247) | Full Article (HTML) (4426) | Figures (1-4) (467) | Full Article (PDF)-796K (640) | Peer-Review Report-108K (308) | Answering Reviewers-194K (293) | Received: 03/07/2015 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (13289) | Similar Articles (335) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1502) | Core Tip (1229) | Full Article (HTML) (3853) | Figures (1-3) (459) | Full Article (PDF)-1201K (445) | Peer-Review Report-82K (278) | Answering Reviewers-93K (277) | Received: 05/11/2014 | Revised: 07/08/2014 | Accepted: 08/28/2014 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (12982) | Similar Articles (219) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1209) | Core Tip (1163) | Full Article (HTML) (3121) | Figures (1-2) (500) | Tables (1-1) (416) | Full Article (PDF)-1418K (384) | Peer-Review Report-123K (196) | Answering Reviewers-26K (186) | Received: 04/09/2015 | Revised: 05/11/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (11441) | Similar Articles (19) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1245) | Core Tip (1273) | Full Article (HTML) (3933) | Figures (1-1) (524) | 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 (11729) | Similar Articles (12) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open