Abstract (1348) | Core Tip (1419) | Full Article (HTML) (3890) | Full Article (PDF)-772K (539) | Peer-Review Report-66K (229) | Answering Reviewers-152K (211) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (12412) | Similar Articles (1224) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1357) | Core Tip (1291) | Full Article (HTML) (6351) | Figures (1-2) (560) | Full Article (PDF)-989K (547) | Peer-Review Report-94K (241) | Answering Reviewers-489K (255) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (15897) | Similar Articles (272) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1516) | Core Tip (1723) | Full Article (HTML) (12755) | Figures (1-4) (649) | Tables (1-1) (509) | Full Article (PDF)-1342K (1453) | Peer-Review Report-119K (322) | Answering Reviewers-389K (330) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (109) | Total Visits (26554) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1587) | Core Tip (1453) | Full Article (HTML) (23026) | Figures (1-2) (2457) | Full Article (PDF)-1922K (1143) | Peer-Review Report-100K (421) | Answering Reviewers-69K (377) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (61) | Total Visits (38315) | Similar Articles (259) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1402) | Core Tip (1381) | Full Article (HTML) (5773) | Tables (1-3) (575) | Full Article (PDF)-1114K (829) | Peer-Review Report-95K (285) | Answering Reviewers-84K (291) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (15533) | Similar Articles (143) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1998) | Core Tip (1844) | Full Article (HTML) (18234) | Figures (1-3) (4287) | Tables (1-4) (525) | Full Article (PDF)-1313K (1395) | Peer-Review Report-122K (357) | Answering Reviewers-141K (340) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (35034) | Similar Articles (420) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1699) | Core Tip (1572) | Full Article (HTML) (18034) | Tables (1-2) (521) | Full Article (PDF)-1208K (1959) | Peer-Review Report-128K (446) | Answering Reviewers-118K (364) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (269) | Total Visits (32083) | Similar Articles (936) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1614) | Core Tip (1561) | Full Article (HTML) (6369) | Figures (1-1) (595) | Tables (1-1) (572) | Full Article (PDF)-1119K (720) | Peer-Review Report-79K (373) | Answering Reviewers-239K (274) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (17417) | Similar Articles (49) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1811) | Core Tip (1537) | Full Article (HTML) (20778) | Figures (1-2) (531) | Tables (1-2) (514) | Full Article (PDF)-1166K (2214) | Peer-Review Report-82K (328) | Answering Reviewers-10K (379) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (112) | Total Visits (35444) | Similar Articles (231) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1666) | Core Tip (1593) | Full Article (HTML) (5403) | Figures (1-2) (542) | Tables (1-4) (536) | Full Article (PDF)-1290K (607) | Peer-Review Report-218K (306) | Answering Reviewers-366K (343) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (17204) | Similar Articles (1222) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1473) | Core Tip (1321) | Full Article (HTML) (7167) | Tables (1-3) (628) | Full Article (PDF)-1094K (761) | Peer-Review Report-79K (325) | Answering Reviewers-172K (325) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (16709) | 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 (1589) | Core Tip (1435) | Full Article (HTML) (7862) | Tables (1-4) (607) | Full Article (PDF)-1226K (964) | Peer-Review Report-92K (326) | Answering Reviewers-63K (312) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (19339) | Similar Articles (1278) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1544) | Core Tip (1600) | Full Article (HTML) (8464) | Figures (1-3) (607) | Tables (1-1) (535) | Full Article (PDF)-1241K (1031) | Peer-Review Report-93K (353) | Answering Reviewers-358K (377) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (20744) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1249) | Core Tip (1350) | Full Article (HTML) (8204) | Figures (1-1) (543) | Full Article (PDF)-944K (772) | Peer-Review Report-91K (267) | Answering Reviewers-247K (372) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (122) | Total Visits (18248) | Similar Articles (1418) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1548) | Core Tip (1539) | Full Article (HTML) (14474) | Figures (1-1) (585) | Tables (1-1) (546) | Full Article (PDF)-935K (1027) | Peer-Review Report-79K (296) | Answering Reviewers-144K (364) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (152) | Total Visits (24902) | Similar Articles (1229) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1521) | Core Tip (1528) | Full Article (HTML) (15181) | Figures (1-2) (1374) | Full Article (PDF)-1185K (1347) | Peer-Review Report-87K (325) | Answering Reviewers-132K (391) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (27102) | Similar Articles (636) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1356) | Core Tip (1254) | Full Article (HTML) (4984) | Tables (1-5) (579) | Full Article (PDF)-942K (1158) | Peer-Review Report-80K (284) | Answering Reviewers-96K (219) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (14234) | Similar Articles (251) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1439) | Core Tip (1483) | Full Article (HTML) (12043) | Figures (1-1) (524) | Tables (1-5) (531) | Full Article (PDF)-2155K (956) | Peer-Review Report-170K (341) | Answering Reviewers-443K (425) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (73) | Total Visits (23616) | Similar Articles (1069) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1422) | Core Tip (1462) | Full Article (HTML) (5272) | Figures (1-2) (519) | Tables (1-1) (539) | Full Article (PDF)-1096K (783) | Peer-Review Report-79K (237) | Answering Reviewers-96K (265) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (14803) | Similar Articles (1071) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1463) | Core Tip (1387) | Full Article (HTML) (8545) | Figures (1-2) (583) | Full Article (PDF)-1507K (930) | Peer-Review Report-99K (398) | Answering Reviewers-176K (368) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (19189) | Similar Articles (1069) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1509) | Core Tip (1521) | Full Article (HTML) (15688) | Tables (1-3) (608) | Full Article (PDF)-995K (1503) | Peer-Review Report-81K (330) | Answering Reviewers-295K (336) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (240) | Total Visits (29342) | Similar Articles (1069) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1280) | Core Tip (1374) | Full Article (HTML) (7709) | Figures (1-2) (675) | Tables (1-3) (504) | Full Article (PDF)-1589K (800) | Peer-Review Report-101K (286) | Answering Reviewers-197K (318) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (19078) | Similar Articles (210) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1574) | Core Tip (1303) | Full Article (HTML) (6080) | Tables (1-3) (521) | Full Article (PDF)-1040K (678) | Peer-Review Report-95K (312) | Answering Reviewers-64K (249) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (16209) | Similar Articles (427) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1516) | Core Tip (1297) | Full Article (HTML) (12181) | Figures (1-1) (566) | Tables (1-4) (581) | Full Article (PDF)-1052K (1649) | Peer-Review Report-94K (340) | Answering Reviewers-142K (331) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (171) | Total Visits (24426) | Similar Articles (76) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1517) | Core Tip (1526) | Full Article (HTML) (12337) | Figures (1-1) (775) | Tables (1-1) (460) | Full Article (PDF)-1262K (1105) | Peer-Review Report-108K (360) | Answering Reviewers-203K (334) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (24101) | Similar Articles (195) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1517) | Core Tip (1795) | Full Article (HTML) (13152) | Tables (1-2) (481) | Full Article (PDF)-948K (941) | Peer-Review Report-91K (351) | Answering Reviewers-166K (394) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (23601) | Similar Articles (144) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1369) | Core Tip (1334) | Full Article (HTML) (6076) | Figures (1-8) (609) | Tables (1-3) (485) | Full Article (PDF)-2831K (876) | Peer-Review Report-97K (276) | Answering Reviewers-83K (415) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (17554) | Similar Articles (133) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1291) | Core Tip (1339) | Full Article (HTML) (7294) | Figures (1-8) (813) | Tables (1-1) (502) | Full Article (PDF)-1599K (943) | Peer-Review Report-106K (291) | Answering Reviewers-364K (278) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (18650) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1462) | Core Tip (1392) | Full Article (HTML) (10220) | Figures (1-4) (783) | Tables (1-1) (503) | Full Article (PDF)-1123K (911) | Peer-Review Report-95K (272) | Answering Reviewers-82K (261) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (23034) | Similar Articles (1074) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1588) | Core Tip (1522) | Full Article (HTML) (10743) | Figures (1-2) (570) | Tables (1-2) (514) | Full Article (PDF)-1429K (1089) | Peer-Review Report-94K (334) | Answering Reviewers-115K (828) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (22349) | Similar Articles (1890) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1411) | Core Tip (1335) | Full Article (HTML) (5179) | Figures (1-1) (494) | Tables (1-4) (567) | Full Article (PDF)-980K (715) | Peer-Review Report-113K (233) | Answering Reviewers-177K (278) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (15283) | Similar Articles (223) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open