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Abstract (1404) | Core Tip (1457) | Full Article (HTML) (11274) | Figures (1-1) (642) | Tables (1-1) (476) | Full Article (PDF)-1231K (1193) | Peer-Review Report-155K (284) | Answering Reviewers-238K (394) | Received: 05/26/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (22229) | Similar Articles (101) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1440) | Core Tip (1376) | Full Article (HTML) (7821) | Figures (1-1) (579) | Full Article (PDF)-1231K (726) | Peer-Review Report-88K (352) | Answering Reviewers-67K (289) | Received: 04/13/2015 | Revised: 06/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (18930) | Similar Articles (35) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1528) | Core Tip (1460) | Full Article (HTML) (5552) | Full Article (PDF)-1201K (773) | Peer-Review Report-79K (314) | Answering Reviewers-209K (295) | Received: 05/09/2015 | Revised: 07/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (15578) | Similar Articles (90) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1405) | Core Tip (1372) | Full Article (HTML) (7429) | Tables (1-2) (538) | Full Article (PDF)-1112K (757) | Peer-Review Report-81K (257) | Answering Reviewers-63K (373) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (16986) | Similar Articles (185) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1475) | Core Tip (1436) | Full Article (HTML) (5543) | Tables (1-4) (571) | Full Article (PDF)-1201K (755) | Peer-Review Report-80K (248) | Answering Reviewers-92K (323) | Received: 04/15/2015 | Revised: 06/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (17290) | Similar Articles (26) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1852) | Core Tip (1586) | Full Article (HTML) (16696) | Tables (1-4) (531) | Full Article (PDF)-1241K (2347) | Peer-Review Report-101K (489) | Answering Reviewers-283K (466) | Received: 04/26/2015 | Revised: 07/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (234) | Total Visits (30537) | Similar Articles (382) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1409) | Core Tip (1567) | Full Article (HTML) (10070) | Figures (1-4) (522) | Tables (1-2) (523) | Full Article (PDF)-1327K (1087) | Peer-Review Report-94K (346) | Answering Reviewers-67K (452) | Received: 04/23/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (21820) | Similar Articles (371) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1537) | Core Tip (1494) | Full Article (HTML) (6404) | Figures (1-1) (585) | Full Article (PDF)-1205K (799) | Peer-Review Report-79K (320) | Answering Reviewers-112K (284) | Received: 04/26/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (27) | Total Visits (16229) | Similar Articles (168) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1586) | Core Tip (1588) | Full Article (HTML) (9174) | Figures (1-2) (534) | Full Article (PDF)-1274K (1154) | Peer-Review Report-83K (316) | Answering Reviewers-326K (318) | Received: 06/03/2015 | Revised: 09/11/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (82) | Total Visits (21625) | Similar Articles (333) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1798) | Core Tip (1530) | Full Article (HTML) (19691) | Figures (1-1) (527) | Tables (1-1) (452) | Full Article (PDF)-1536K (2144) | Peer-Review Report-104K (302) | Answering Reviewers-212K (320) | Received: 04/28/2015 | Revised: 07/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (31948) | Similar Articles (356) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1913) | Core Tip (1562) | Full Article (HTML) (7940) | Figures (1-2) (536) | Full Article (PDF)-1408K (1048) | Peer-Review Report-81K (335) | Answering Reviewers-105K (480) | Received: 06/30/2015 | Revised: 08/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (20506) | Similar Articles (1789) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1804) | Core Tip (1485) | Full Article (HTML) (15308) | Figures (1-3) (510) | Tables (1-2) (485) | Full Article (PDF)-1591K (1534) | Peer-Review Report-78K (358) | Answering Reviewers-71K (532) | Received: 04/28/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (73) | Total Visits (27877) | Similar Articles (1790) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1667) | Core Tip (1558) | Full Article (HTML) (12192) | Figures (1-2) (533) | Tables (1-3) (423) | Full Article (PDF)-3282K (1322) | Peer-Review Report-91K (303) | Answering Reviewers-100K (355) | Received: 04/16/2015 | Revised: 05/28/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (56) | Total Visits (24823) | Similar Articles (1795) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1575) | Core Tip (1409) | Full Article (HTML) (6810) | Figures (1-1) (514) | Tables (1-1) (430) | Full Article (PDF)-1208K (907) | Peer-Review Report-109K (332) | Answering Reviewers-11K (299) | Received: 06/03/2015 | Revised: 07/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (17249) | Similar Articles (64) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1320) | Core Tip (1306) | Full Article (HTML) (7634) | Tables (1-2) (462) | Full Article (PDF)-1257K (695) | Peer-Review Report-88K (389) | Answering Reviewers-63K (307) | Received: 04/28/2015 | Revised: 08/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (19021) | Similar Articles (2347) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1480) | Core Tip (1372) | Full Article (HTML) (4652) | Tables (1-1) (529) | Full Article (PDF)-1087K (792) | Peer-Review Report-79K (263) | Answering Reviewers-210K (274) | Received: 04/18/2015 | Revised: 07/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (14170) | Similar Articles (887) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1586) | Core Tip (1598) | Full Article (HTML) (5125) | Tables (1-3) (462) | Full Article (PDF)-1175K (775) | Peer-Review Report-111K (348) | Answering Reviewers-93K (487) | Received: 04/27/2015 | Revised: 08/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (15457) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1446) | Core Tip (1395) | Full Article (HTML) (5218) | Tables (1-3) (471) | Full Article (PDF)-1244K (782) | Peer-Review Report-99K (278) | Answering Reviewers-103K (295) | Received: 06/29/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (15594) | Similar Articles (241) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1463) | Core Tip (1409) | Full Article (HTML) (7974) | Figures (1-2) (613) | Tables (1-3) (530) | Full Article (PDF)-1435K (809) | Peer-Review Report-144K (306) | Answering Reviewers-91K (363) | Received: 03/20/2015 | Revised: 04/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (27) | Total Visits (18636) | Similar Articles (50) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1749) | Core Tip (1680) | Full Article (HTML) (9941) | Figures (1-1) (487) | Tables (1-3) (520) | Full Article (PDF)-1377K (1900) | Peer-Review Report-81K (362) | Answering Reviewers-192K (479) | Received: 06/28/2015 | Revised: 08/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (22851) | Similar Articles (42) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1339) | Core Tip (1449) | Full Article (HTML) (4400) | Tables (1-4) (506) | Full Article (PDF)-1160K (547) | Peer-Review Report-118K (274) | Answering Reviewers-450K (288) | Received: 07/23/2015 | Revised: 09/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (13745) | Similar Articles (283) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1230) | Core Tip (1310) | Full Article (HTML) (7553) | Figures (1-1) (501) | Full Article (PDF)-1069K (782) | Peer-Review Report-92K (251) | Answering Reviewers-105K (339) | Received: 03/30/2015 | Revised: 05/30/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (17310) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1440) | Core Tip (1636) | Full Article (HTML) (8679) | Figures (1-6) (588) | Tables (1-1) (469) | Full Article (PDF)-1824K (936) | Peer-Review Report-99K (320) | Answering Reviewers-185K (6407) | Received: 08/12/2015 | Revised: 09/18/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (25659) | Similar Articles (1789) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1521) | Core Tip (1298) | Full Article (HTML) (7786) | Figures (1-3) (495) | Full Article (PDF)-1184K (974) | Peer-Review Report-91K (267) | Answering Reviewers-106K (349) | Received: 04/28/2015 | Revised: 07/27/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (86) | Total Visits (17248) | Similar Articles (1816) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1776) | Core Tip (1749) | Full Article (HTML) (30215) | Figures (1-2) (824) | Full Article (PDF)-1398K (2665) | Peer-Review Report-80K (420) | Answering Reviewers-172K (432) | Received: 02/24/2015 | Revised: 06/15/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (148) | Total Visits (44394) | Similar Articles (8) | Timeline of Article Publication (5) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1296) | Core Tip (1218) | Full Article (HTML) (8646) | Tables (1-1) (432) | Full Article (PDF)-1093K (806) | Peer-Review Report-86K (236) | Answering Reviewers-106K (280) | Received: 04/28/2015 | Revised: 07/10/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (17780) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1343) | Core Tip (1327) | Full Article (HTML) (5229) | Figures (1-8) (541) | Tables (1-8) (525) | Full Article (PDF)-1292K (834) | Peer-Review Report-92K (281) | Answering Reviewers-36K (286) | Received: 04/27/2015 | Revised: 07/03/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (15533) | Similar Articles (2374) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open