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Abstract (1153) | Core Tip (1207) | Full Article (HTML) (5114) | Tables (1-1) (456) | Full Article (PDF)-732K (622) | Peer-Review Report-126K (256) | Answering Reviewers-164K (267) | Received: 03/15/2015 | Revised: 05/08/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (13322) | Similar Articles (617) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2863) | Core Tip (2454) | Full Article (HTML) (147334) | Figures (1-3) (1780) | Full Article (PDF)-1029K (4281) | Peer-Review Report-133K (512) | Answering Reviewers-58K (588) | Received: 01/26/2015 | Revised: 04/21/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (222) | Total Visits (169555) | Similar Articles (292) | Timeline of Article Publication (11) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1753) | Core Tip (1369) | Full Article (HTML) (18801) | Figures (1-2) (835) | Tables (1-1) (443) | Full Article (PDF)-915K (1863) | Peer-Review Report-98K (334) | Answering Reviewers-311K (371) | Received: 05/09/2015 | Revised: 06/13/2015 | Accepted: 07/08/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (141) | Total Visits (32945) | Similar Articles (15) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1282) | Core Tip (1385) | Full Article (HTML) (11732) | Tables (1-1) (473) | Full Article (PDF)-855K (904) | Peer-Review Report-101K (286) | Answering Reviewers-160K (269) | Received: 03/27/2015 | Revised: 05/09/2015 | Accepted: 07/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (84) | Total Visits (21629) | Similar Articles (1029) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1383) | Core Tip (1369) | Full Article (HTML) (8724) | Figures (1-5) (484) | Full Article (PDF)-1561K (806) | Peer-Review Report-131K (253) | Answering Reviewers-224K (324) | Received: 04/04/2015 | Revised: 05/16/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (63) | Total Visits (20437) | Similar Articles (15) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (3) | Open

Abstract (1290) | Core Tip (1431) | Full Article (HTML) (8673) | Figures (1-2) (608) | Tables (1-2) (408) | Full Article (PDF)-967K (780) | Peer-Review Report-96K (239) | Answering Reviewers-151K (332) | Received: 03/13/2015 | Revised: 05/10/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (20710) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1660) | Core Tip (1440) | Full Article (HTML) (10292) | Figures (1-1) (561) | Tables (1-3) (381) | Full Article (PDF)-1165K (1102) | Peer-Review Report-104K (359) | Answering Reviewers-94K (331) | Received: 02/03/2015 | Revised: 05/12/2015 | Accepted: 07/18/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (110) | Total Visits (23431) | Similar Articles (26) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1298) | Core Tip (1104) | Full Article (HTML) (4225) | Figures (1-2) (439) | Tables (1-2) (416) | Full Article (PDF)-971K (474) | Peer-Review Report-86K (235) | Answering Reviewers-110K (225) | Received: 01/03/2015 | Revised: 03/22/2015 | Accepted: 05/07/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (14959) | Similar Articles (352) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1185) | Core Tip (1199) | Full Article (HTML) (4344) | Figures (1-4) (393) | Tables (1-3) (393) | Full Article (PDF)-940K (462) | Peer-Review Report-131K (235) | Answering Reviewers-92K (206) | Received: 03/27/2015 | Revised: 06/22/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (14727) | Similar Articles (1233) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1099) | Core Tip (1162) | Full Article (HTML) (4178) | Figures (1-4) (443) | Tables (1-1) (405) | Full Article (PDF)-1595K (501) | Peer-Review Report-123K (227) | Answering Reviewers-267K (252) | Received: 03/11/2015 | Revised: 06/17/2015 | Accepted: 07/08/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (13426) | Similar Articles (1246) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1283) | Core Tip (1256) | Full Article (HTML) (5301) | Figures (1-4) (423) | Tables (1-2) (390) | Full Article (PDF)-1322K (673) | Peer-Review Report-127K (275) | Answering Reviewers-120K (300) | Received: 01/28/2015 | Revised: 04/07/2015 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (15587) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1293) | Core Tip (1177) | Full Article (HTML) (4450) | Figures (1-5) (405) | Tables (1-3) (435) | Full Article (PDF)-2023K (664) | Peer-Review Report-163K (263) | Answering Reviewers-258K (246) | Received: 03/09/2015 | Revised: 05/21/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (17) | Total Visits (14642) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1378) | Core Tip (1415) | Full Article (HTML) (7074) | Figures (1-1) (444) | Tables (1-4) (411) | Full Article (PDF)-883K (976) | Peer-Review Report-132K (325) | Answering Reviewers-103K (265) | Received: 12/05/2014 | Revised: 02/28/2015 | Accepted: 04/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (17153) | Similar Articles (239) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1147) | Core Tip (1185) | Full Article (HTML) (3685) | Figures (1-1) (432) | Tables (1-3) (395) | Full Article (PDF)-786K (573) | Peer-Review Report-97K (205) | Answering Reviewers-99K (231) | Received: 03/10/2015 | Revised: 04/15/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (12755) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1170) | Core Tip (1192) | Full Article (HTML) (4299) | Figures (1-3) (410) | Tables (1-1) (405) | Full Article (PDF)-1124K (427) | Peer-Review Report-97K (248) | Answering Reviewers-186K (191) | Received: 01/20/2015 | Revised: 03/20/2015 | Accepted: 04/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (12697) | Similar Articles (5) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1287) | Core Tip (1334) | Full Article (HTML) (5195) | Figures (1-1) (670) | Tables (1-4) (403) | Full Article (PDF)-1072K (592) | Peer-Review Report-158K (412) | Answering Reviewers-180K (262) | Received: 01/22/2015 | Revised: 03/30/2015 | Accepted: 05/07/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (41) | Total Visits (15653) | Similar Articles (23) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1244) | Core Tip (1297) | Full Article (HTML) (4699) | Figures (1-4) (455) | Tables (1-6) (363) | Full Article (PDF)-862K (649) | Peer-Review Report-92K (262) | Answering Reviewers-96K (262) | Received: 11/02/2014 | Revised: 03/11/2015 | Accepted: 04/17/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (14887) | Similar Articles (1) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1165) | Core Tip (1038) | Full Article (HTML) (4149) | Figures (1-2) (406) | Tables (1-5) (403) | Full Article (PDF)-2050K (490) | Peer-Review Report-148K (266) | Answering Reviewers-212K (242) | Received: 04/07/2015 | Revised: 05/13/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (13778) | Similar Articles (1184) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1137) | Core Tip (1069) | Full Article (HTML) (3398) | Figures (1-1) (444) | Tables (1-2) (429) | Full Article (PDF)-838K (383) | Peer-Review Report-79K (187) | Answering Reviewers-88K (263) | Received: 07/24/2014 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (11406) | Similar Articles (12) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1131) | Core Tip (1127) | Full Article (HTML) (4101) | Figures (1-1) (417) | Tables (1-3) (418) | Full Article (PDF)-870K (440) | Peer-Review Report-116K (263) | Answering Reviewers-101K (191) | Received: 09/30/2014 | Revised: 12/21/2014 | Accepted: 04/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (13492) | Similar Articles (296) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1097) | Core Tip (1217) | Full Article (HTML) (4352) | Figures (1-4) (449) | Full Article (PDF)-796K (629) | Peer-Review Report-108K (298) | Answering Reviewers-194K (277) | Received: 03/07/2015 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (13036) | Similar Articles (335) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1461) | Core Tip (1208) | Full Article (HTML) (3811) | Figures (1-3) (440) | Full Article (PDF)-1201K (438) | Peer-Review Report-82K (271) | Answering Reviewers-93K (271) | Received: 05/11/2014 | Revised: 07/08/2014 | Accepted: 08/28/2014 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (12797) | Similar Articles (219) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1165) | Core Tip (1133) | Full Article (HTML) (3073) | Figures (1-2) (477) | Tables (1-1) (395) | Full Article (PDF)-1418K (370) | Peer-Review Report-123K (184) | Answering Reviewers-26K (177) | Received: 04/09/2015 | Revised: 05/11/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (11127) | Similar Articles (19) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1147) | Core Tip (1066) | Full Article (HTML) (4306) | Figures (1-6) (824) | Full Article (PDF)-980K (436) | Peer-Review Report-139K (313) | Answering Reviewers-534K (289) | Received: 01/14/2015 | Revised: 04/27/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (3) | Total Visits (13040) | Similar Articles (75) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1229) | Core Tip (1254) | Full Article (HTML) (3873) | Figures (1-1) (505) | Full Article (PDF)-805K (405) | Peer-Review Report-91K (261) | Answering Reviewers-172K (229) | Received: 02/03/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (11491) | Similar Articles (12) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open