Abstract (1266) | Core Tip (1312) | Full Article (HTML) (3730) | Full Article (PDF)-772K (521) | Peer-Review Report-66K (209) | Answering Reviewers-152K (195) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (11728) | Similar Articles (1182) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1279) | Core Tip (1174) | Full Article (HTML) (6117) | Figures (1-2) (491) | Full Article (PDF)-989K (512) | Peer-Review Report-94K (222) | Answering Reviewers-489K (236) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (15052) | Similar Articles (267) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1394) | Core Tip (1608) | Full Article (HTML) (12167) | Figures (1-4) (584) | Tables (1-1) (439) | Full Article (PDF)-1342K (1380) | Peer-Review Report-119K (295) | Answering Reviewers-389K (304) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (108) | Total Visits (25038) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1483) | Core Tip (1370) | Full Article (HTML) (22262) | Figures (1-2) (2295) | Full Article (PDF)-1922K (1037) | Peer-Review Report-100K (397) | Answering Reviewers-69K (357) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (36620) | Similar Articles (254) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1316) | Core Tip (1303) | Full Article (HTML) (5486) | Tables (1-3) (498) | Full Article (PDF)-1114K (762) | Peer-Review Report-95K (261) | Answering Reviewers-84K (268) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (24) | Total Visits (14572) | Similar Articles (141) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1896) | Core Tip (1744) | Full Article (HTML) (17187) | Figures (1-3) (4109) | Tables (1-4) (447) | Full Article (PDF)-1313K (1341) | Peer-Review Report-122K (335) | Answering Reviewers-141K (317) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (56) | Total Visits (33093) | Similar Articles (401) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1589) | Core Tip (1443) | Full Article (HTML) (17388) | Tables (1-2) (455) | Full Article (PDF)-1208K (1900) | Peer-Review Report-128K (419) | Answering Reviewers-118K (337) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (260) | Total Visits (30575) | Similar Articles (918) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1509) | Core Tip (1441) | Full Article (HTML) (6053) | Figures (1-1) (535) | Tables (1-1) (497) | Full Article (PDF)-1119K (680) | Peer-Review Report-79K (324) | Answering Reviewers-239K (255) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (16328) | Similar Articles (47) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1717) | Core Tip (1447) | Full Article (HTML) (14922) | Figures (1-2) (475) | Tables (1-2) (450) | Full Article (PDF)-1166K (2165) | Peer-Review Report-82K (300) | Answering Reviewers-10K (348) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (108) | Total Visits (28707) | Similar Articles (224) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1557) | Core Tip (1492) | Full Article (HTML) (5194) | Figures (1-2) (463) | Tables (1-4) (451) | Full Article (PDF)-1290K (559) | Peer-Review Report-218K (281) | Answering Reviewers-366K (314) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (16121) | Similar Articles (1180) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1381) | Core Tip (1214) | Full Article (HTML) (6906) | Tables (1-3) (574) | Full Article (PDF)-1094K (730) | Peer-Review Report-79K (301) | Answering Reviewers-172K (301) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (15854) | 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 (1505) | Core Tip (1334) | Full Article (HTML) (7291) | Tables (1-4) (535) | Full Article (PDF)-1226K (906) | Peer-Review Report-92K (296) | Answering Reviewers-63K (289) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (18062) | Similar Articles (1234) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1422) | Core Tip (1476) | Full Article (HTML) (8145) | Figures (1-3) (544) | Tables (1-1) (458) | Full Article (PDF)-1241K (986) | Peer-Review Report-93K (325) | Answering Reviewers-358K (357) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (19693) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1159) | Core Tip (1240) | Full Article (HTML) (7839) | Figures (1-1) (472) | Full Article (PDF)-944K (738) | Peer-Review Report-91K (246) | Answering Reviewers-247K (345) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (122) | Total Visits (17252) | Similar Articles (1372) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1450) | Core Tip (1440) | Full Article (HTML) (11521) | Figures (1-1) (513) | Tables (1-1) (457) | Full Article (PDF)-935K (990) | Peer-Review Report-79K (275) | Answering Reviewers-144K (339) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (149) | Total Visits (21265) | Similar Articles (1187) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1431) | Core Tip (1433) | Full Article (HTML) (14841) | Figures (1-2) (1295) | Full Article (PDF)-1185K (1323) | Peer-Review Report-87K (283) | Answering Reviewers-132K (345) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (48) | Total Visits (26148) | Similar Articles (622) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1247) | Core Tip (1163) | Full Article (HTML) (4818) | Tables (1-5) (522) | Full Article (PDF)-942K (632) | Peer-Review Report-80K (263) | Answering Reviewers-96K (192) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (12944) | Similar Articles (243) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1354) | Core Tip (1397) | Full Article (HTML) (11123) | Figures (1-1) (471) | Tables (1-5) (468) | Full Article (PDF)-2155K (890) | Peer-Review Report-170K (322) | Answering Reviewers-443K (401) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (71) | Total Visits (22062) | Similar Articles (1023) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1331) | Core Tip (1364) | Full Article (HTML) (5074) | Figures (1-2) (464) | Tables (1-1) (478) | Full Article (PDF)-1096K (741) | Peer-Review Report-79K (217) | Answering Reviewers-96K (243) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (13946) | Similar Articles (1025) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1365) | Core Tip (1283) | Full Article (HTML) (8274) | Figures (1-2) (524) | Full Article (PDF)-1507K (861) | Peer-Review Report-99K (382) | Answering Reviewers-176K (348) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (18255) | Similar Articles (1023) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1355) | Core Tip (1399) | Full Article (HTML) (14584) | Tables (1-3) (522) | Full Article (PDF)-995K (1202) | Peer-Review Report-81K (310) | Answering Reviewers-295K (307) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (234) | Total Visits (27005) | Similar Articles (1023) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1177) | Core Tip (1278) | Full Article (HTML) (7492) | Figures (1-2) (616) | Tables (1-3) (449) | Full Article (PDF)-1589K (759) | Peer-Review Report-101K (259) | Answering Reviewers-197K (293) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (18135) | Similar Articles (204) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1405) | Core Tip (1226) | Full Article (HTML) (5805) | Tables (1-3) (457) | Full Article (PDF)-1040K (612) | Peer-Review Report-95K (263) | Answering Reviewers-64K (225) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (15174) | Similar Articles (416) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1408) | Core Tip (1211) | Full Article (HTML) (11497) | Figures (1-1) (485) | Tables (1-4) (488) | Full Article (PDF)-1052K (1588) | Peer-Review Report-94K (322) | Answering Reviewers-142K (312) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (168) | Total Visits (22947) | Similar Articles (76) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1408) | Core Tip (1405) | Full Article (HTML) (11767) | Figures (1-1) (677) | Tables (1-1) (404) | Full Article (PDF)-1262K (1036) | Peer-Review Report-108K (315) | Answering Reviewers-203K (309) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (22867) | Similar Articles (187) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1434) | Core Tip (1649) | Full Article (HTML) (12720) | Tables (1-2) (415) | Full Article (PDF)-948K (907) | Peer-Review Report-91K (329) | Answering Reviewers-166K (372) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (22504) | Similar Articles (141) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1272) | Core Tip (1211) | Full Article (HTML) (5830) | Figures (1-8) (527) | Tables (1-3) (426) | Full Article (PDF)-2831K (823) | Peer-Review Report-97K (255) | Answering Reviewers-83K (397) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (16534) | Similar Articles (131) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1200) | Core Tip (1232) | Full Article (HTML) (7025) | Figures (1-8) (702) | Tables (1-1) (430) | Full Article (PDF)-1599K (904) | Peer-Review Report-106K (276) | Answering Reviewers-364K (234) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (17579) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1365) | Core Tip (1294) | Full Article (HTML) (9708) | Figures (1-4) (725) | Tables (1-1) (424) | Full Article (PDF)-1123K (872) | Peer-Review Report-95K (248) | Answering Reviewers-82K (220) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (21599) | Similar Articles (1028) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1468) | Core Tip (1434) | Full Article (HTML) (10309) | Figures (1-2) (500) | Tables (1-2) (432) | Full Article (PDF)-1429K (1053) | Peer-Review Report-94K (305) | Answering Reviewers-115K (802) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (42) | Total Visits (21188) | Similar Articles (1824) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1319) | Core Tip (1258) | Full Article (HTML) (4967) | Figures (1-1) (433) | Tables (1-4) (499) | Full Article (PDF)-980K (691) | Peer-Review Report-113K (206) | Answering Reviewers-177K (258) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (14461) | Similar Articles (217) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open