Abstract (1530) | Core Tip (1566) | Full Article (HTML) (14107) | Full Article (PDF)-693K (1141) | Peer-Review Report-79K (372) | Answering Reviewers-70K (256) | Received: 12/24/2014 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (80) | Total Visits (26038) | Similar Articles (188) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1197) | Core Tip (1243) | Full Article (HTML) (5233) | Tables (1-1) (490) | Full Article (PDF)-732K (634) | Peer-Review Report-126K (264) | Answering Reviewers-164K (277) | Received: 03/15/2015 | Revised: 05/08/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (13676) | Similar Articles (622) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2947) | Core Tip (2534) | Full Article (HTML) (151224) | Figures (1-3) (1840) | Full Article (PDF)-1029K (4309) | Peer-Review Report-133K (523) | Answering Reviewers-58K (601) | Received: 01/26/2015 | Revised: 04/21/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (228) | Total Visits (173852) | Similar Articles (294) | Timeline of Article Publication (11) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1794) | Core Tip (1413) | Full Article (HTML) (19189) | Figures (1-2) (869) | Tables (1-1) (484) | 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 (33724) | Similar Articles (15) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1327) | Core Tip (1428) | Full Article (HTML) (11930) | Tables (1-1) (504) | Full Article (PDF)-855K (917) | Peer-Review Report-101K (295) | Answering Reviewers-160K (282) | Received: 03/27/2015 | Revised: 05/09/2015 | Accepted: 07/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (84) | Total Visits (22119) | Similar Articles (1050) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1410) | Core Tip (1398) | Full Article (HTML) (8875) | Figures (1-5) (516) | Full Article (PDF)-1561K (821) | Peer-Review Report-131K (264) | Answering Reviewers-224K (334) | Received: 04/04/2015 | Revised: 05/16/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (65) | Total Visits (20858) | Similar Articles (15) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (3) | Open

Abstract (1346) | Core Tip (1485) | Full Article (HTML) (10238) | Figures (1-2) (634) | Tables (1-2) (439) | Full Article (PDF)-967K (795) | Peer-Review Report-96K (252) | Answering Reviewers-151K (345) | Received: 03/13/2015 | Revised: 05/10/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (22661) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1737) | Core Tip (1488) | Full Article (HTML) (10479) | Figures (1-1) (593) | Tables (1-3) (413) | Full Article (PDF)-1165K (1117) | Peer-Review Report-104K (370) | Answering Reviewers-94K (345) | Received: 02/03/2015 | Revised: 05/12/2015 | Accepted: 07/18/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (110) | Total Visits (24022) | Similar Articles (26) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1346) | Core Tip (1150) | Full Article (HTML) (4315) | Figures (1-2) (461) | Tables (1-2) (459) | 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 (15364) | Similar Articles (352) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1227) | Core Tip (1251) | Full Article (HTML) (4416) | Figures (1-4) (412) | Tables (1-3) (435) | Full Article (PDF)-940K (473) | Peer-Review Report-131K (245) | Answering Reviewers-92K (218) | Received: 03/27/2015 | Revised: 06/22/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (15146) | Similar Articles (1247) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1137) | Core Tip (1205) | Full Article (HTML) (4257) | Figures (1-4) (465) | Tables (1-1) (429) | Full Article (PDF)-1595K (519) | Peer-Review Report-123K (247) | Answering Reviewers-267K (265) | Received: 03/11/2015 | Revised: 06/17/2015 | Accepted: 07/08/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (13793) | Similar Articles (1261) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1309) | Core Tip (1290) | Full Article (HTML) (5380) | Figures (1-4) (443) | Tables (1-2) (424) | Full Article (PDF)-1322K (684) | Peer-Review Report-127K (283) | Answering Reviewers-120K (310) | Received: 01/28/2015 | Revised: 04/07/2015 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (15931) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1329) | Core Tip (1218) | Full Article (HTML) (4569) | Figures (1-5) (427) | Tables (1-3) (465) | Full Article (PDF)-2023K (682) | Peer-Review Report-163K (276) | Answering Reviewers-258K (263) | Received: 03/09/2015 | Revised: 05/21/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (15089) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1422) | Core Tip (1453) | Full Article (HTML) (7250) | Figures (1-1) (486) | Tables (1-4) (456) | Full Article (PDF)-883K (988) | Peer-Review Report-132K (337) | Answering Reviewers-103K (274) | Received: 12/05/2014 | Revised: 02/28/2015 | Accepted: 04/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (17630) | Similar Articles (244) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1189) | Core Tip (1219) | Full Article (HTML) (3743) | Figures (1-1) (460) | Tables (1-3) (424) | Full Article (PDF)-786K (581) | Peer-Review Report-97K (213) | Answering Reviewers-99K (244) | Received: 03/10/2015 | Revised: 04/15/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (13144) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1207) | Core Tip (1233) | Full Article (HTML) (4405) | Figures (1-3) (440) | Tables (1-1) (429) | Full Article (PDF)-1124K (438) | Peer-Review Report-97K (258) | Answering Reviewers-186K (201) | Received: 01/20/2015 | Revised: 03/20/2015 | Accepted: 04/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (13126) | Similar Articles (5) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1325) | Core Tip (1376) | Full Article (HTML) (5281) | Figures (1-1) (726) | Tables (1-4) (429) | Full Article (PDF)-1072K (618) | Peer-Review Report-158K (423) | Answering Reviewers-180K (275) | Received: 01/22/2015 | Revised: 03/30/2015 | Accepted: 05/07/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (42) | Total Visits (16077) | Similar Articles (23) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1276) | Core Tip (1339) | Full Article (HTML) (4776) | Figures (1-4) (477) | Tables (1-6) (381) | Full Article (PDF)-862K (665) | Peer-Review Report-92K (270) | Answering Reviewers-96K (271) | Received: 11/02/2014 | Revised: 03/11/2015 | Accepted: 04/17/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (15234) | Similar Articles (1) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1199) | Core Tip (1078) | Full Article (HTML) (4240) | Figures (1-2) (444) | Tables (1-5) (433) | Full Article (PDF)-2050K (503) | Peer-Review Report-148K (278) | Answering Reviewers-212K (250) | Received: 04/07/2015 | Revised: 05/13/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (14151) | Similar Articles (1198) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1171) | Core Tip (1100) | Full Article (HTML) (3477) | Figures (1-1) (465) | Tables (1-2) (467) | Full Article (PDF)-838K (396) | Peer-Review Report-79K (196) | Answering Reviewers-88K (275) | Received: 07/24/2014 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (11765) | Similar Articles (13) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1168) | Core Tip (1166) | Full Article (HTML) (4170) | Figures (1-1) (456) | Tables (1-3) (443) | Full Article (PDF)-870K (456) | Peer-Review Report-116K (282) | Answering Reviewers-101K (207) | Received: 09/30/2014 | Revised: 12/21/2014 | Accepted: 04/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (13889) | Similar Articles (301) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1135) | Core Tip (1266) | Full Article (HTML) (4467) | Figures (1-4) (475) | Full Article (PDF)-796K (641) | Peer-Review Report-108K (310) | Answering Reviewers-194K (297) | Received: 03/07/2015 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (13391) | Similar Articles (335) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1522) | Core Tip (1243) | Full Article (HTML) (3878) | Figures (1-3) (471) | Full Article (PDF)-1201K (448) | Peer-Review Report-82K (282) | Answering Reviewers-93K (281) | Received: 05/11/2014 | Revised: 07/08/2014 | Accepted: 08/28/2014 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (13093) | Similar Articles (221) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1227) | Core Tip (1175) | Full Article (HTML) (3143) | Figures (1-2) (509) | Tables (1-1) (425) | Full Article (PDF)-1418K (388) | Peer-Review Report-123K (200) | Answering Reviewers-26K (191) | Received: 04/09/2015 | Revised: 05/11/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (11568) | Similar Articles (19) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1190) | Core Tip (1103) | Full Article (HTML) (4374) | Figures (1-6) (854) | Full Article (PDF)-980K (453) | Peer-Review Report-139K (326) | Answering Reviewers-534K (299) | Received: 01/14/2015 | Revised: 04/27/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (3) | Total Visits (13395) | Similar Articles (75) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1257) | Core Tip (1283) | Full Article (HTML) (3969) | Figures (1-1) (532) | Full Article (PDF)-805K (414) | Peer-Review Report-91K (273) | Answering Reviewers-172K (241) | Received: 02/03/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (11812) | Similar Articles (12) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open