Abstract (1181) | Core Tip (1234) | Full Article (HTML) (3604) | Full Article (PDF)-772K (497) | Peer-Review Report-66K (187) | Answering Reviewers-152K (177) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (11187) | Similar Articles (1160) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1208) | Core Tip (1096) | Full Article (HTML) (5982) | Figures (1-2) (444) | Full Article (PDF)-989K (492) | Peer-Review Report-94K (200) | Answering Reviewers-489K (219) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (14457) | Similar Articles (258) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1311) | Core Tip (1512) | Full Article (HTML) (11753) | Figures (1-4) (531) | Tables (1-1) (397) | Full Article (PDF)-1342K (1331) | Peer-Review Report-119K (270) | Answering Reviewers-389K (282) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (108) | Total Visits (24008) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1399) | Core Tip (1288) | Full Article (HTML) (21718) | Figures (1-2) (2165) | Full Article (PDF)-1922K (1004) | Peer-Review Report-100K (379) | Answering Reviewers-69K (341) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (59) | Total Visits (35438) | Similar Articles (245) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1234) | Core Tip (1222) | Full Article (HTML) (5253) | Tables (1-3) (438) | Full Article (PDF)-1114K (732) | Peer-Review Report-95K (236) | Answering Reviewers-84K (248) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (24) | Total Visits (13803) | Similar Articles (138) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1817) | Core Tip (1665) | Full Article (HTML) (16696) | Figures (1-3) (3964) | Tables (1-4) (389) | Full Article (PDF)-1313K (1307) | Peer-Review Report-122K (317) | Answering Reviewers-141K (297) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (31999) | Similar Articles (387) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1511) | Core Tip (1361) | Full Article (HTML) (16865) | Tables (1-2) (396) | Full Article (PDF)-1208K (1857) | Peer-Review Report-128K (400) | Answering Reviewers-118K (318) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (255) | Total Visits (29467) | Similar Articles (904) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1435) | Core Tip (1343) | Full Article (HTML) (5858) | Figures (1-1) (491) | Tables (1-1) (454) | Full Article (PDF)-1119K (654) | Peer-Review Report-79K (298) | Answering Reviewers-239K (241) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (15649) | Similar Articles (47) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1656) | Core Tip (1380) | Full Article (HTML) (14439) | Figures (1-2) (427) | Tables (1-2) (410) | Full Article (PDF)-1166K (2138) | Peer-Review Report-82K (277) | Answering Reviewers-10K (327) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (107) | Total Visits (27618) | Similar Articles (221) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1476) | Core Tip (1409) | Full Article (HTML) (5069) | Figures (1-2) (419) | Tables (1-4) (399) | Full Article (PDF)-1290K (528) | Peer-Review Report-218K (250) | Answering Reviewers-366K (297) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (15417) | Similar Articles (1158) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1302) | Core Tip (1139) | Full Article (HTML) (6744) | Tables (1-3) (524) | Full Article (PDF)-1094K (699) | Peer-Review Report-79K (282) | Answering Reviewers-172K (278) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (15253) | 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 (1406) | Core Tip (1240) | Full Article (HTML) (6925) | Tables (1-4) (489) | Full Article (PDF)-1226K (869) | Peer-Review Report-92K (276) | Answering Reviewers-63K (265) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (17131) | Similar Articles (1211) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1337) | Core Tip (1381) | Full Article (HTML) (7958) | Figures (1-3) (479) | Tables (1-1) (406) | Full Article (PDF)-1241K (944) | Peer-Review Report-93K (309) | Answering Reviewers-358K (343) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (18895) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1087) | Core Tip (1158) | Full Article (HTML) (7597) | Figures (1-1) (422) | Full Article (PDF)-944K (711) | Peer-Review Report-91K (231) | Answering Reviewers-247K (322) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (118) | Total Visits (16552) | Similar Articles (1349) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1372) | Core Tip (1368) | Full Article (HTML) (11269) | Figures (1-1) (453) | Tables (1-1) (398) | Full Article (PDF)-935K (955) | Peer-Review Report-79K (244) | Answering Reviewers-144K (313) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (147) | Total Visits (20492) | Similar Articles (1165) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1366) | Core Tip (1348) | Full Article (HTML) (14557) | Figures (1-2) (1224) | Full Article (PDF)-1185K (1289) | Peer-Review Report-87K (262) | Answering Reviewers-132K (311) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (25372) | Similar Articles (617) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1171) | Core Tip (1088) | Full Article (HTML) (4673) | Tables (1-5) (475) | Full Article (PDF)-942K (603) | Peer-Review Report-80K (245) | Answering Reviewers-96K (174) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (12402) | Similar Articles (239) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1282) | Core Tip (1322) | Full Article (HTML) (10886) | Figures (1-1) (420) | Tables (1-5) (417) | Full Article (PDF)-2155K (859) | Peer-Review Report-170K (300) | Answering Reviewers-443K (378) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (71) | Total Visits (21298) | Similar Articles (1001) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1252) | Core Tip (1291) | Full Article (HTML) (4889) | Figures (1-2) (415) | Tables (1-1) (431) | Full Article (PDF)-1096K (705) | Peer-Review Report-79K (195) | Answering Reviewers-96K (219) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (29) | Total Visits (13259) | Similar Articles (1003) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1300) | Core Tip (1213) | Full Article (HTML) (8073) | Figures (1-2) (473) | Full Article (PDF)-1507K (819) | Peer-Review Report-99K (358) | Answering Reviewers-176K (330) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (17555) | Similar Articles (1001) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1271) | Core Tip (1325) | Full Article (HTML) (13856) | Tables (1-3) (464) | Full Article (PDF)-995K (1172) | Peer-Review Report-81K (287) | Answering Reviewers-295K (296) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (232) | Total Visits (25708) | Similar Articles (1001) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1089) | Core Tip (1194) | Full Article (HTML) (7238) | Figures (1-2) (555) | Tables (1-3) (399) | Full Article (PDF)-1589K (737) | Peer-Review Report-101K (239) | Answering Reviewers-197K (268) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (17342) | Similar Articles (203) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1274) | Core Tip (1132) | Full Article (HTML) (5576) | Tables (1-3) (409) | Full Article (PDF)-1040K (579) | Peer-Review Report-95K (242) | Answering Reviewers-64K (210) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (14402) | Similar Articles (406) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1328) | Core Tip (1137) | Full Article (HTML) (11097) | Figures (1-1) (437) | Tables (1-4) (430) | Full Article (PDF)-1052K (1556) | Peer-Review Report-94K (300) | Answering Reviewers-142K (289) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (166) | Total Visits (22035) | Similar Articles (72) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1305) | Core Tip (1317) | Full Article (HTML) (11405) | Figures (1-1) (611) | Tables (1-1) (360) | Full Article (PDF)-1262K (1000) | Peer-Review Report-108K (280) | Answering Reviewers-203K (269) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (43) | Total Visits (21967) | Similar Articles (187) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1362) | Core Tip (1515) | Full Article (HTML) (12122) | Tables (1-2) (363) | Full Article (PDF)-948K (882) | Peer-Review Report-91K (308) | Answering Reviewers-166K (347) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (21425) | Similar Articles (140) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1192) | Core Tip (1116) | Full Article (HTML) (5562) | Figures (1-8) (464) | Tables (1-3) (374) | Full Article (PDF)-2831K (796) | Peer-Review Report-97K (234) | Answering Reviewers-83K (374) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (15560) | Similar Articles (130) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1123) | Core Tip (1155) | Full Article (HTML) (6817) | Figures (1-8) (607) | Tables (1-1) (381) | Full Article (PDF)-1599K (871) | Peer-Review Report-106K (258) | Answering Reviewers-364K (216) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (16796) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1288) | Core Tip (1216) | Full Article (HTML) (9425) | Figures (1-4) (675) | Tables (1-1) (377) | Full Article (PDF)-1123K (837) | Peer-Review Report-95K (224) | Answering Reviewers-82K (202) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (20657) | Similar Articles (1006) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1383) | Core Tip (1348) | Full Article (HTML) (10008) | Figures (1-2) (450) | Tables (1-2) (382) | Full Article (PDF)-1429K (1027) | Peer-Review Report-94K (286) | Answering Reviewers-115K (781) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (20414) | Similar Articles (1795) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1259) | Core Tip (1195) | Full Article (HTML) (4772) | Figures (1-1) (393) | Tables (1-4) (435) | Full Article (PDF)-980K (668) | Peer-Review Report-113K (184) | Answering Reviewers-177K (238) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (13849) | Similar Articles (214) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open