Abstract (1380) | Core Tip (1452) | Full Article (HTML) (3961) | Full Article (PDF)-772K (561) | Peer-Review Report-66K (244) | Answering Reviewers-152K (225) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (12820) | Similar Articles (1266) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1387) | Core Tip (1326) | Full Article (HTML) (6399) | Figures (1-2) (589) | Full Article (PDF)-989K (567) | Peer-Review Report-94K (254) | Answering Reviewers-489K (268) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (16309) | Similar Articles (275) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1550) | Core Tip (1771) | Full Article (HTML) (12889) | Figures (1-4) (674) | Tables (1-1) (531) | Full Article (PDF)-1342K (1475) | Peer-Review Report-119K (339) | Answering Reviewers-389K (346) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (112) | Total Visits (27189) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1614) | Core Tip (1487) | Full Article (HTML) (23371) | Figures (1-2) (2566) | Full Article (PDF)-1922K (1163) | Peer-Review Report-100K (438) | Answering Reviewers-69K (395) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (39223) | Similar Articles (262) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1429) | Core Tip (1409) | Full Article (HTML) (5852) | Tables (1-3) (594) | Full Article (PDF)-1114K (853) | Peer-Review Report-95K (300) | Answering Reviewers-84K (303) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (16052) | Similar Articles (143) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2026) | Core Tip (1876) | Full Article (HTML) (18429) | Figures (1-3) (4380) | Tables (1-4) (546) | Full Article (PDF)-1313K (1437) | Peer-Review Report-122K (369) | Answering Reviewers-141K (353) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (35761) | Similar Articles (447) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1730) | Core Tip (1603) | Full Article (HTML) (18194) | Tables (1-2) (543) | Full Article (PDF)-1208K (1996) | Peer-Review Report-128K (462) | Answering Reviewers-118K (378) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (277) | Total Visits (32689) | Similar Articles (959) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1643) | Core Tip (1594) | Full Article (HTML) (6421) | Figures (1-1) (614) | Tables (1-1) (592) | Full Article (PDF)-1119K (743) | Peer-Review Report-79K (401) | Answering Reviewers-239K (290) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (17892) | Similar Articles (52) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1841) | Core Tip (1566) | Full Article (HTML) (20876) | Figures (1-2) (551) | Tables (1-2) (534) | Full Article (PDF)-1166K (2236) | Peer-Review Report-82K (343) | Answering Reviewers-10K (400) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (118) | Total Visits (35970) | Similar Articles (234) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1693) | Core Tip (1628) | Full Article (HTML) (5451) | Figures (1-2) (567) | Tables (1-4) (555) | Full Article (PDF)-1290K (632) | Peer-Review Report-218K (324) | Answering Reviewers-366K (362) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (17747) | Similar Articles (1264) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1505) | Core Tip (1349) | Full Article (HTML) (7220) | Tables (1-3) (649) | Full Article (PDF)-1094K (778) | Peer-Review Report-79K (344) | Answering Reviewers-172K (341) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (17140) | Similar Articles (0) | Timeline of Article Publication (1) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1624) | Core Tip (1472) | Full Article (HTML) (7963) | Tables (1-4) (629) | Full Article (PDF)-1226K (984) | Peer-Review Report-92K (351) | Answering Reviewers-63K (325) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (19834) | Similar Articles (1324) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1579) | Core Tip (1626) | Full Article (HTML) (8524) | Figures (1-3) (630) | Tables (1-1) (554) | Full Article (PDF)-1241K (1051) | Peer-Review Report-93K (367) | Answering Reviewers-358K (390) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (21176) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1280) | Core Tip (1378) | Full Article (HTML) (8295) | Figures (1-1) (563) | Full Article (PDF)-944K (800) | Peer-Review Report-91K (284) | Answering Reviewers-247K (391) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (127) | Total Visits (18759) | Similar Articles (1462) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1577) | Core Tip (1572) | Full Article (HTML) (14549) | Figures (1-1) (609) | Tables (1-1) (576) | Full Article (PDF)-935K (1052) | Peer-Review Report-79K (315) | Answering Reviewers-144K (381) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (155) | Total Visits (25405) | Similar Articles (1271) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1553) | Core Tip (1560) | Full Article (HTML) (15315) | Figures (1-2) (1418) | Full Article (PDF)-1185K (1380) | Peer-Review Report-87K (340) | Answering Reviewers-132K (406) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (27624) | Similar Articles (658) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1390) | Core Tip (1285) | Full Article (HTML) (5027) | Tables (1-5) (602) | Full Article (PDF)-942K (1174) | Peer-Review Report-80K (295) | Answering Reviewers-96K (230) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (14605) | Similar Articles (254) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1473) | Core Tip (1515) | Full Article (HTML) (12097) | Figures (1-1) (545) | Tables (1-5) (548) | Full Article (PDF)-2155K (985) | Peer-Review Report-170K (359) | Answering Reviewers-443K (440) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (74) | Total Visits (24156) | Similar Articles (1107) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1449) | Core Tip (1494) | Full Article (HTML) (5354) | Figures (1-2) (541) | Tables (1-1) (560) | Full Article (PDF)-1096K (800) | Peer-Review Report-79K (253) | Answering Reviewers-96K (276) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (15254) | Similar Articles (1109) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1494) | Core Tip (1416) | Full Article (HTML) (8600) | Figures (1-2) (602) | Full Article (PDF)-1507K (951) | Peer-Review Report-99K (414) | Answering Reviewers-176K (381) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (19616) | Similar Articles (1107) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1555) | Core Tip (1553) | Full Article (HTML) (15868) | Tables (1-3) (639) | Full Article (PDF)-995K (1530) | Peer-Review Report-81K (348) | Answering Reviewers-295K (351) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (245) | Total Visits (30034) | Similar Articles (1107) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1314) | Core Tip (1403) | Full Article (HTML) (7761) | Figures (1-2) (702) | Tables (1-3) (524) | Full Article (PDF)-1589K (818) | Peer-Review Report-101K (301) | Answering Reviewers-197K (331) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (19591) | Similar Articles (211) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1600) | Core Tip (1333) | Full Article (HTML) (6148) | Tables (1-3) (542) | Full Article (PDF)-1040K (697) | Peer-Review Report-95K (329) | Answering Reviewers-64K (262) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (16600) | Similar Articles (437) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1548) | Core Tip (1326) | Full Article (HTML) (12312) | Figures (1-1) (600) | Tables (1-4) (605) | Full Article (PDF)-1052K (1675) | Peer-Review Report-94K (355) | Answering Reviewers-142K (345) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (175) | Total Visits (25007) | Similar Articles (83) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1547) | Core Tip (1553) | Full Article (HTML) (12444) | Figures (1-1) (809) | Tables (1-1) (480) | Full Article (PDF)-1262K (1137) | Peer-Review Report-108K (373) | Answering Reviewers-203K (351) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (24545) | Similar Articles (199) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1542) | Core Tip (1815) | Full Article (HTML) (13207) | Tables (1-2) (502) | Full Article (PDF)-948K (960) | Peer-Review Report-91K (367) | Answering Reviewers-166K (415) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (67) | Total Visits (23991) | Similar Articles (145) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1395) | Core Tip (1364) | Full Article (HTML) (6148) | Figures (1-8) (633) | Tables (1-3) (508) | Full Article (PDF)-2831K (891) | Peer-Review Report-97K (291) | Answering Reviewers-83K (428) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (18043) | Similar Articles (142) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1317) | Core Tip (1369) | Full Article (HTML) (7370) | Figures (1-8) (837) | Tables (1-1) (521) | Full Article (PDF)-1599K (962) | Peer-Review Report-106K (308) | Answering Reviewers-364K (290) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (19139) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1492) | Core Tip (1423) | Full Article (HTML) (10342) | Figures (1-4) (812) | Tables (1-1) (528) | Full Article (PDF)-1123K (937) | Peer-Review Report-95K (294) | Answering Reviewers-82K (274) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (23667) | Similar Articles (1112) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1616) | Core Tip (1556) | Full Article (HTML) (10841) | Figures (1-2) (596) | Tables (1-2) (537) | Full Article (PDF)-1429K (1106) | Peer-Review Report-94K (347) | Answering Reviewers-115K (838) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (22835) | Similar Articles (1952) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1438) | Core Tip (1360) | Full Article (HTML) (5242) | Figures (1-1) (520) | Tables (1-4) (587) | Full Article (PDF)-980K (735) | Peer-Review Report-113K (244) | Answering Reviewers-177K (291) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (15709) | Similar Articles (231) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open