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Abstract (1293) | Core Tip (1192) | Full Article (HTML) (6183) | Figures (1-2) (506) | Full Article (PDF)-989K (524) | Peer-Review Report-94K (225) | Answering Reviewers-489K (240) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (15245) | Similar Articles (267) | 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 (1339) | Core Tip (1319) | Full Article (HTML) (5532) | Tables (1-3) (511) | Full Article (PDF)-1114K (772) | Peer-Review Report-95K (268) | Answering Reviewers-84K (272) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (24) | Total Visits (14775) | Similar Articles (142) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1915) | Core Tip (1776) | Full Article (HTML) (17310) | Figures (1-3) (4141) | Tables (1-4) (463) | Full Article (PDF)-1313K (1357) | Peer-Review Report-122K (341) | Answering Reviewers-141K (324) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (56) | Total Visits (33423) | Similar Articles (403) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1603) | Core Tip (1463) | Full Article (HTML) (17523) | Tables (1-2) (474) | Full Article (PDF)-1208K (1909) | Peer-Review Report-128K (424) | Answering Reviewers-118K (343) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (266) | Total Visits (30886) | Similar Articles (922) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1532) | Core Tip (1461) | Full Article (HTML) (6134) | Figures (1-1) (547) | Tables (1-1) (514) | Full Article (PDF)-1119K (692) | Peer-Review Report-79K (331) | Answering Reviewers-239K (257) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (16570) | Similar Articles (48) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1732) | Core Tip (1464) | Full Article (HTML) (15057) | Figures (1-2) (484) | Tables (1-2) (467) | Full Article (PDF)-1166K (2176) | Peer-Review Report-82K (306) | Answering Reviewers-10K (357) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (108) | Total Visits (29058) | Similar Articles (225) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1579) | Core Tip (1515) | Full Article (HTML) (5236) | Figures (1-2) (476) | Tables (1-4) (469) | Full Article (PDF)-1290K (572) | Peer-Review Report-218K (289) | Answering Reviewers-366K (322) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (16383) | Similar Articles (1184) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1405) | Core Tip (1233) | Full Article (HTML) (6970) | Tables (1-3) (586) | Full Article (PDF)-1094K (734) | Peer-Review Report-79K (309) | Answering Reviewers-172K (308) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (16063) | 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 (1518) | Core Tip (1355) | Full Article (HTML) (7394) | Tables (1-4) (548) | Full Article (PDF)-1226K (922) | Peer-Review Report-92K (300) | Answering Reviewers-63K (296) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (18343) | Similar Articles (1238) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1445) | Core Tip (1500) | Full Article (HTML) (8205) | Figures (1-3) (556) | Tables (1-1) (473) | Full Article (PDF)-1241K (996) | Peer-Review Report-93K (333) | Answering Reviewers-358K (363) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (19912) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1176) | Core Tip (1264) | Full Article (HTML) (7921) | Figures (1-1) (489) | Full Article (PDF)-944K (746) | Peer-Review Report-91K (253) | Answering Reviewers-247K (355) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (122) | Total Visits (17477) | Similar Articles (1376) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1468) | Core Tip (1458) | Full Article (HTML) (11581) | Figures (1-1) (528) | Tables (1-1) (471) | Full Article (PDF)-935K (1005) | Peer-Review Report-79K (280) | Answering Reviewers-144K (346) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (150) | Total Visits (21476) | Similar Articles (1191) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1445) | Core Tip (1449) | Full Article (HTML) (14900) | Figures (1-2) (1316) | Full Article (PDF)-1185K (1328) | Peer-Review Report-87K (291) | Answering Reviewers-132K (355) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (48) | Total Visits (26333) | Similar Articles (626) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1261) | Core Tip (1184) | Full Article (HTML) (4858) | Tables (1-5) (533) | Full Article (PDF)-942K (637) | Peer-Review Report-80K (269) | Answering Reviewers-96K (199) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (13117) | Similar Articles (244) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1371) | Core Tip (1414) | Full Article (HTML) (11205) | Figures (1-1) (482) | Tables (1-5) (483) | Full Article (PDF)-2155K (904) | Peer-Review Report-170K (326) | Answering Reviewers-443K (405) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (71) | Total Visits (22286) | Similar Articles (1028) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1348) | Core Tip (1386) | Full Article (HTML) (5119) | Figures (1-2) (476) | Tables (1-1) (497) | Full Article (PDF)-1096K (755) | Peer-Review Report-79K (222) | Answering Reviewers-96K (250) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (14172) | Similar Articles (1030) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1382) | Core Tip (1304) | Full Article (HTML) (8326) | Figures (1-2) (537) | Full Article (PDF)-1507K (882) | Peer-Review Report-99K (383) | Answering Reviewers-176K (352) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (18463) | Similar Articles (1028) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1372) | Core Tip (1417) | Full Article (HTML) (14806) | Tables (1-3) (546) | Full Article (PDF)-995K (1213) | Peer-Review Report-81K (315) | Answering Reviewers-295K (314) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (234) | Total Visits (27481) | Similar Articles (1028) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1198) | Core Tip (1301) | Full Article (HTML) (7541) | Figures (1-2) (632) | Tables (1-3) (464) | Full Article (PDF)-1589K (774) | Peer-Review Report-101K (271) | Answering Reviewers-197K (300) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (18383) | Similar Articles (205) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1440) | Core Tip (1239) | Full Article (HTML) (5873) | Tables (1-3) (473) | Full Article (PDF)-1040K (629) | Peer-Review Report-95K (274) | Answering Reviewers-64K (230) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (15424) | Similar Articles (416) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1428) | Core Tip (1230) | Full Article (HTML) (11620) | Figures (1-1) (498) | Tables (1-4) (512) | Full Article (PDF)-1052K (1604) | Peer-Review Report-94K (326) | Answering Reviewers-142K (317) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (169) | Total Visits (23243) | Similar Articles (76) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1426) | Core Tip (1433) | Full Article (HTML) (11896) | Figures (1-1) (698) | Tables (1-1) (421) | Full Article (PDF)-1262K (1056) | Peer-Review Report-108K (326) | Answering Reviewers-203K (316) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (23140) | Similar Articles (187) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1454) | Core Tip (1682) | Full Article (HTML) (12799) | Tables (1-2) (435) | Full Article (PDF)-948K (911) | Peer-Review Report-91K (333) | Answering Reviewers-166K (377) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (22741) | Similar Articles (141) | 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 (1218) | Core Tip (1254) | Full Article (HTML) (7086) | Figures (1-8) (724) | Tables (1-1) (448) | Full Article (PDF)-1599K (917) | Peer-Review Report-106K (278) | Answering Reviewers-364K (243) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (17822) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1384) | Core Tip (1316) | Full Article (HTML) (9806) | Figures (1-4) (733) | Tables (1-1) (438) | Full Article (PDF)-1123K (887) | Peer-Review Report-95K (254) | Answering Reviewers-82K (230) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (21934) | Similar Articles (1033) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1493) | Core Tip (1449) | Full Article (HTML) (10392) | Figures (1-2) (517) | Tables (1-2) (450) | Full Article (PDF)-1429K (1065) | Peer-Review Report-94K (313) | Answering Reviewers-115K (808) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (42) | Total Visits (21435) | Similar Articles (1834) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1336) | Core Tip (1271) | Full Article (HTML) (5014) | Figures (1-1) (445) | Tables (1-4) (510) | Full Article (PDF)-980K (696) | Peer-Review Report-113K (216) | Answering Reviewers-177K (263) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (14648) | Similar Articles (219) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open