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Abstract (1298) | Core Tip (1320) | Full Article (HTML) (5450) | Tables (1-1) (543) | Full Article (PDF)-732K (666) | Peer-Review Report-126K (294) | Answering Reviewers-164K (305) | Received: 03/15/2015 | Revised: 05/08/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (14552) | Similar Articles (658) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (3071) | Core Tip (2672) | Full Article (HTML) (165802) | Figures (1-3) (2015) | Full Article (PDF)-1029K (4439) | Peer-Review Report-133K (564) | Answering Reviewers-58K (639) | Received: 01/26/2015 | Revised: 04/21/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (246) | Total Visits (189820) | Similar Articles (304) | Timeline of Article Publication (12) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (1) | Open

Abstract (1878) | Core Tip (1513) | Full Article (HTML) (19935) | Figures (1-2) (961) | Tables (1-1) (549) | Full Article (PDF)-915K (1913) | Peer-Review Report-98K (372) | Answering Reviewers-311K (412) | Received: 05/09/2015 | Revised: 06/13/2015 | Accepted: 07/08/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (146) | Total Visits (35456) | Similar Articles (16) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1416) | Core Tip (1519) | Full Article (HTML) (12970) | Tables (1-1) (583) | Full Article (PDF)-855K (971) | Peer-Review Report-101K (325) | Answering Reviewers-160K (316) | Received: 03/27/2015 | Revised: 05/09/2015 | Accepted: 07/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (88) | Total Visits (24010) | Similar Articles (1124) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1492) | Core Tip (1480) | Full Article (HTML) (9191) | Figures (1-5) (583) | Full Article (PDF)-1561K (870) | Peer-Review Report-131K (291) | Answering Reviewers-224K (366) | Received: 04/04/2015 | Revised: 05/16/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (68) | Total Visits (22167) | Similar Articles (17) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (3) | Open

Abstract (1436) | Core Tip (1581) | Full Article (HTML) (11509) | Figures (1-2) (697) | Tables (1-2) (514) | Full Article (PDF)-967K (837) | Peer-Review Report-96K (281) | Answering Reviewers-151K (369) | Received: 03/13/2015 | Revised: 05/10/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (24938) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1858) | Core Tip (1614) | Full Article (HTML) (10922) | Figures (1-1) (672) | Tables (1-3) (482) | Full Article (PDF)-1165K (1170) | Peer-Review Report-104K (402) | Answering Reviewers-94K (386) | Received: 02/03/2015 | Revised: 05/12/2015 | Accepted: 07/18/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (116) | Total Visits (25685) | Similar Articles (26) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1428) | Core Tip (1221) | Full Article (HTML) (4461) | Figures (1-2) (523) | Tables (1-2) (521) | Full Article (PDF)-971K (520) | Peer-Review Report-86K (289) | Answering Reviewers-110K (260) | Received: 01/03/2015 | Revised: 03/22/2015 | Accepted: 05/07/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (16609) | Similar Articles (353) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1308) | Core Tip (1332) | Full Article (HTML) (4568) | Figures (1-4) (476) | Tables (1-3) (503) | Full Article (PDF)-940K (510) | Peer-Review Report-131K (283) | Answering Reviewers-92K (248) | Received: 03/27/2015 | Revised: 06/22/2015 | Accepted: 07/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (16316) | Similar Articles (1322) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1221) | Core Tip (1317) | Full Article (HTML) (4414) | Figures (1-4) (521) | Tables (1-1) (486) | Full Article (PDF)-1595K (559) | Peer-Review Report-123K (272) | Answering Reviewers-267K (298) | Received: 03/11/2015 | Revised: 06/17/2015 | Accepted: 07/08/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (14827) | Similar Articles (1337) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1382) | Core Tip (1359) | Full Article (HTML) (5514) | Figures (1-4) (509) | Tables (1-2) (482) | Full Article (PDF)-1322K (713) | Peer-Review Report-127K (316) | Answering Reviewers-120K (338) | Received: 01/28/2015 | Revised: 04/07/2015 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (16929) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1411) | Core Tip (1319) | Full Article (HTML) (4814) | Figures (1-5) (484) | Tables (1-3) (535) | Full Article (PDF)-2023K (723) | Peer-Review Report-163K (305) | Answering Reviewers-258K (288) | Received: 03/09/2015 | Revised: 05/21/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (16264) | Similar Articles (3) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1523) | Core Tip (1543) | Full Article (HTML) (7585) | Figures (1-1) (556) | Tables (1-4) (524) | Full Article (PDF)-883K (1050) | Peer-Review Report-132K (366) | Answering Reviewers-103K (304) | Received: 12/05/2014 | Revised: 02/28/2015 | Accepted: 04/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (38) | Total Visits (18828) | Similar Articles (257) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1273) | Core Tip (1297) | Full Article (HTML) (3913) | Figures (1-1) (515) | Tables (1-3) (475) | Full Article (PDF)-786K (609) | Peer-Review Report-97K (238) | Answering Reviewers-99K (275) | Received: 03/10/2015 | Revised: 04/15/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (21) | Total Visits (14201) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1302) | Core Tip (1306) | Full Article (HTML) (4556) | Figures (1-3) (505) | Tables (1-1) (484) | Full Article (PDF)-1124K (482) | Peer-Review Report-97K (284) | Answering Reviewers-186K (231) | Received: 01/20/2015 | Revised: 03/20/2015 | Accepted: 04/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (14233) | Similar Articles (6) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1403) | Core Tip (1464) | Full Article (HTML) (5450) | Figures (1-1) (812) | Tables (1-4) (493) | Full Article (PDF)-1072K (668) | Peer-Review Report-158K (450) | Answering Reviewers-180K (306) | Received: 01/22/2015 | Revised: 03/30/2015 | Accepted: 05/07/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (17325) | Similar Articles (23) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1361) | Core Tip (1422) | Full Article (HTML) (4975) | Figures (1-4) (529) | Tables (1-6) (439) | Full Article (PDF)-862K (710) | Peer-Review Report-92K (315) | Answering Reviewers-96K (307) | Received: 11/02/2014 | Revised: 03/11/2015 | Accepted: 04/17/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (6) | Total Visits (16497) | Similar Articles (1) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1278) | Core Tip (1157) | Full Article (HTML) (5157) | Figures (1-2) (508) | Tables (1-5) (490) | Full Article (PDF)-2050K (536) | Peer-Review Report-148K (308) | Answering Reviewers-212K (277) | Received: 04/07/2015 | Revised: 05/13/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (15967) | Similar Articles (1273) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1241) | Core Tip (1178) | Full Article (HTML) (3613) | Figures (1-1) (518) | Tables (1-2) (530) | Full Article (PDF)-838K (434) | Peer-Review Report-79K (228) | Answering Reviewers-88K (308) | Received: 07/24/2014 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (1) | Total Visits (12793) | Similar Articles (14) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1240) | Core Tip (1239) | Full Article (HTML) (4307) | Figures (1-1) (529) | Tables (1-3) (498) | Full Article (PDF)-870K (481) | Peer-Review Report-116K (317) | Answering Reviewers-101K (234) | Received: 09/30/2014 | Revised: 12/21/2014 | Accepted: 04/03/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (14891) | Similar Articles (320) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1214) | Core Tip (1343) | Full Article (HTML) (4697) | Figures (1-4) (542) | Full Article (PDF)-796K (700) | Peer-Review Report-108K (341) | Answering Reviewers-194K (338) | Received: 03/07/2015 | Accepted: 06/16/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (14481) | Similar Articles (335) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1625) | Core Tip (1319) | Full Article (HTML) (4059) | Figures (1-3) (533) | Full Article (PDF)-1201K (497) | Peer-Review Report-82K (316) | Answering Reviewers-93K (309) | Received: 05/11/2014 | Revised: 07/08/2014 | Accepted: 08/28/2014 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (13981) | Similar Articles (233) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1297) | Core Tip (1256) | Full Article (HTML) (3305) | Figures (1-2) (583) | Tables (1-1) (487) | Full Article (PDF)-1418K (451) | Peer-Review Report-123K (233) | Answering Reviewers-26K (217) | Received: 04/09/2015 | Revised: 05/11/2015 | Accepted: 06/26/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (11) | Total Visits (12587) | 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 (1336) | Core Tip (1369) | Full Article (HTML) (4254) | Figures (1-1) (587) | Full Article (PDF)-805K (440) | Peer-Review Report-91K (299) | Answering Reviewers-172K (290) | Received: 02/03/2015 | Accepted: 06/10/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (12809) | Similar Articles (12) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open