Abstract (1270) | Core Tip (1316) | Full Article (HTML) (3734) | Full Article (PDF)-772K (522) | Peer-Review Report-66K (213) | Answering Reviewers-152K (196) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (11764) | Similar Articles (1185) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1281) | Core Tip (1176) | Full Article (HTML) (6127) | Figures (1-2) (494) | Full Article (PDF)-989K (515) | Peer-Review Report-94K (223) | Answering Reviewers-489K (237) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (15090) | Similar Articles (267) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1401) | Core Tip (1614) | Full Article (HTML) (12180) | Figures (1-4) (588) | Tables (1-1) (442) | Full Article (PDF)-1342K (1383) | Peer-Review Report-119K (299) | 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 (25104) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1487) | Core Tip (1374) | Full Article (HTML) (22291) | Figures (1-2) (2302) | Full Article (PDF)-1922K (1041) | Peer-Review Report-100K (398) | Answering Reviewers-69K (360) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (36714) | Similar Articles (254) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1318) | Core Tip (1303) | Full Article (HTML) (5492) | Tables (1-3) (499) | Full Article (PDF)-1114K (764) | Peer-Review Report-95K (261) | Answering Reviewers-84K (270) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (24) | Total Visits (14608) | Similar Articles (142) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1898) | Core Tip (1752) | Full Article (HTML) (17222) | Figures (1-3) (4111) | Tables (1-4) (447) | Full Article (PDF)-1313K (1341) | Peer-Review Report-122K (338) | Answering Reviewers-141K (319) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (56) | Total Visits (33166) | Similar Articles (402) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1589) | Core Tip (1446) | Full Article (HTML) (17420) | Tables (1-2) (459) | Full Article (PDF)-1208K (1903) | Peer-Review Report-128K (420) | Answering Reviewers-118K (338) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (262) | Total Visits (30644) | Similar Articles (918) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1511) | Core Tip (1447) | Full Article (HTML) (6074) | Figures (1-1) (535) | Tables (1-1) (498) | Full Article (PDF)-1119K (681) | 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 (16379) | 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 (1449) | Full Article (HTML) (14957) | Figures (1-2) (475) | Tables (1-2) (450) | Full Article (PDF)-1166K (2166) | Peer-Review Report-82K (302) | Answering Reviewers-10K (350) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (108) | Total Visits (28779) | Similar Articles (225) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1560) | Core Tip (1497) | Full Article (HTML) (5202) | Figures (1-2) (464) | Tables (1-4) (453) | Full Article (PDF)-1290K (559) | Peer-Review Report-218K (283) | 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 (16162) | Similar Articles (1183) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1385) | Core Tip (1217) | Full Article (HTML) (6920) | Tables (1-3) (576) | Full Article (PDF)-1094K (730) | Peer-Review Report-79K (301) | Answering Reviewers-172K (303) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (15899) | 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 (1506) | Core Tip (1340) | Full Article (HTML) (7307) | Tables (1-4) (537) | Full Article (PDF)-1226K (909) | Peer-Review Report-92K (296) | Answering Reviewers-63K (291) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (18120) | Similar Articles (1237) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1424) | Core Tip (1483) | Full Article (HTML) (8152) | Figures (1-3) (546) | Tables (1-1) (459) | Full Article (PDF)-1241K (990) | Peer-Review Report-93K (327) | Answering Reviewers-358K (358) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (19739) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1162) | Core Tip (1240) | Full Article (HTML) (7849) | Figures (1-1) (475) | Full Article (PDF)-944K (740) | Peer-Review Report-91K (248) | Answering Reviewers-247K (347) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (122) | Total Visits (17288) | Similar Articles (1375) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1451) | Core Tip (1442) | Full Article (HTML) (11533) | Figures (1-1) (516) | Tables (1-1) (458) | Full Article (PDF)-935K (995) | Peer-Review Report-79K (275) | Answering Reviewers-144K (340) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (149) | Total Visits (21305) | Similar Articles (1190) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1434) | Core Tip (1435) | Full Article (HTML) (14850) | Figures (1-2) (1297) | Full Article (PDF)-1185K (1324) | Peer-Review Report-87K (285) | Answering Reviewers-132K (350) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (48) | Total Visits (26184) | Similar Articles (623) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1251) | Core Tip (1167) | Full Article (HTML) (4825) | Tables (1-5) (523) | Full Article (PDF)-942K (635) | Peer-Review Report-80K (264) | Answering Reviewers-96K (193) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (12978) | Similar Articles (244) | 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) (11142) | Figures (1-1) (472) | Tables (1-5) (470) | Full Article (PDF)-2155K (893) | Peer-Review Report-170K (323) | Answering Reviewers-443K (403) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (71) | Total Visits (22110) | Similar Articles (1025) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1334) | Core Tip (1368) | Full Article (HTML) (5086) | Figures (1-2) (466) | Tables (1-1) (479) | Full Article (PDF)-1096K (743) | Peer-Review Report-79K (218) | 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 (13997) | Similar Articles (1027) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1368) | Core Tip (1288) | Full Article (HTML) (8288) | Figures (1-2) (525) | Full Article (PDF)-1507K (864) | Peer-Review Report-99K (382) | Answering Reviewers-176K (350) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (18300) | Similar Articles (1025) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1357) | Core Tip (1402) | Full Article (HTML) (14659) | Tables (1-3) (525) | Full Article (PDF)-995K (1205) | Peer-Review Report-81K (312) | Answering Reviewers-295K (308) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (234) | Total Visits (27143) | Similar Articles (1025) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1185) | Core Tip (1285) | Full Article (HTML) (7509) | Figures (1-2) (618) | Tables (1-3) (454) | Full Article (PDF)-1589K (763) | Peer-Review Report-101K (266) | Answering Reviewers-197K (296) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (18207) | Similar Articles (204) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1414) | Core Tip (1228) | Full Article (HTML) (5827) | Tables (1-3) (461) | Full Article (PDF)-1040K (618) | Peer-Review Report-95K (267) | Answering Reviewers-64K (226) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (15258) | Similar Articles (416) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1411) | Core Tip (1214) | Full Article (HTML) (11527) | Figures (1-1) (486) | Tables (1-4) (493) | Full Article (PDF)-1052K (1590) | Peer-Review Report-94K (323) | 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 (23009) | Similar Articles (76) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1410) | Core Tip (1406) | Full Article (HTML) (11792) | Figures (1-1) (680) | Tables (1-1) (407) | Full Article (PDF)-1262K (1037) | Peer-Review Report-108K (316) | Answering Reviewers-203K (311) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (22910) | Similar Articles (187) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1438) | Core Tip (1657) | Full Article (HTML) (12732) | Tables (1-2) (418) | Full Article (PDF)-948K (907) | Peer-Review Report-91K (331) | Answering Reviewers-166K (373) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (22560) | Similar Articles (141) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1273) | Core Tip (1211) | Full Article (HTML) (5840) | Figures (1-8) (530) | Tables (1-3) (426) | Full Article (PDF)-2831K (823) | Peer-Review Report-97K (256) | 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 (16564) | Similar Articles (131) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1204) | Core Tip (1234) | Full Article (HTML) (7037) | Figures (1-8) (706) | Tables (1-1) (433) | Full Article (PDF)-1599K (909) | Peer-Review Report-106K (277) | Answering Reviewers-364K (237) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (17630) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1368) | Core Tip (1296) | Full Article (HTML) (9741) | Figures (1-4) (725) | Tables (1-1) (425) | Full Article (PDF)-1123K (876) | Peer-Review Report-95K (251) | Answering Reviewers-82K (223) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (21704) | Similar Articles (1030) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1472) | Core Tip (1437) | Full Article (HTML) (10325) | Figures (1-2) (502) | Tables (1-2) (434) | Full Article (PDF)-1429K (1056) | Peer-Review Report-94K (307) | Answering Reviewers-115K (805) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (42) | Total Visits (21239) | Similar Articles (1827) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1322) | Core Tip (1259) | Full Article (HTML) (4973) | Figures (1-1) (434) | Tables (1-4) (501) | Full Article (PDF)-980K (691) | Peer-Review Report-113K (208) | Answering Reviewers-177K (259) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (14503) | Similar Articles (218) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open