Abstract (1386) | Core Tip (1462) | Full Article (HTML) (3980) | Full Article (PDF)-772K (567) | Peer-Review Report-66K (249) | Answering Reviewers-152K (228) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (12929) | Similar Articles (1274) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1397) | Core Tip (1337) | Full Article (HTML) (6430) | Figures (1-2) (595) | Full Article (PDF)-989K (577) | Peer-Review Report-94K (264) | Answering Reviewers-489K (274) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (16474) | Similar Articles (276) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1563) | Core Tip (1782) | Full Article (HTML) (12951) | Figures (1-4) (682) | Tables (1-1) (541) | Full Article (PDF)-1342K (1482) | Peer-Review Report-119K (352) | Answering Reviewers-389K (355) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (112) | Total Visits (27427) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1628) | Core Tip (1497) | Full Article (HTML) (23508) | Figures (1-2) (2609) | Full Article (PDF)-1922K (1173) | Peer-Review Report-100K (441) | Answering Reviewers-69K (398) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (39550) | Similar Articles (263) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1443) | Core Tip (1424) | Full Article (HTML) (5888) | Tables (1-3) (602) | Full Article (PDF)-1114K (863) | Peer-Review Report-95K (305) | Answering Reviewers-84K (307) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (16219) | Similar Articles (144) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2038) | Core Tip (1891) | Full Article (HTML) (18494) | Figures (1-3) (4437) | Tables (1-4) (553) | Full Article (PDF)-1313K (1453) | Peer-Review Report-122K (372) | Answering Reviewers-141K (357) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (36037) | Similar Articles (451) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1742) | Core Tip (1613) | Full Article (HTML) (18264) | Tables (1-2) (548) | Full Article (PDF)-1208K (2012) | Peer-Review Report-128K (466) | Answering Reviewers-118K (386) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (284) | Total Visits (32922) | Similar Articles (962) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1656) | Core Tip (1607) | Full Article (HTML) (6455) | Figures (1-1) (624) | Tables (1-1) (597) | Full Article (PDF)-1119K (751) | Peer-Review Report-79K (410) | Answering Reviewers-239K (296) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (18058) | Similar Articles (52) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1853) | Core Tip (1576) | Full Article (HTML) (20935) | Figures (1-2) (557) | Tables (1-2) (538) | Full Article (PDF)-1166K (2250) | Peer-Review Report-82K (349) | Answering Reviewers-10K (413) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (120) | Total Visits (36200) | Similar Articles (234) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1705) | Core Tip (1640) | Full Article (HTML) (5469) | Figures (1-2) (575) | Tables (1-4) (560) | Full Article (PDF)-1290K (644) | Peer-Review Report-218K (327) | Answering Reviewers-366K (373) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (17978) | Similar Articles (1272) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1518) | Core Tip (1360) | Full Article (HTML) (7244) | Tables (1-3) (655) | Full Article (PDF)-1094K (787) | Peer-Review Report-79K (349) | Answering Reviewers-172K (346) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (17266) | 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 (1643) | Core Tip (1485) | Full Article (HTML) (8035) | Tables (1-4) (636) | Full Article (PDF)-1226K (989) | Peer-Review Report-92K (361) | Answering Reviewers-63K (332) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (20052) | Similar Articles (1333) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1593) | Core Tip (1637) | Full Article (HTML) (8553) | Figures (1-3) (640) | Tables (1-1) (562) | Full Article (PDF)-1241K (1059) | Peer-Review Report-93K (371) | Answering Reviewers-358K (398) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (21351) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1289) | Core Tip (1387) | Full Article (HTML) (8335) | Figures (1-1) (571) | Full Article (PDF)-944K (813) | Peer-Review Report-91K (292) | Answering Reviewers-247K (395) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (128) | Total Visits (18931) | Similar Articles (1472) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1599) | Core Tip (1587) | Full Article (HTML) (14598) | Figures (1-1) (618) | Tables (1-1) (584) | Full Article (PDF)-935K (1067) | Peer-Review Report-79K (322) | Answering Reviewers-144K (387) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (155) | Total Visits (25625) | Similar Articles (1279) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1564) | Core Tip (1570) | Full Article (HTML) (15379) | Figures (1-2) (1429) | Full Article (PDF)-1185K (1386) | Peer-Review Report-87K (348) | Answering Reviewers-132K (409) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (27800) | Similar Articles (664) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1402) | Core Tip (1294) | Full Article (HTML) (5050) | Tables (1-5) (609) | Full Article (PDF)-942K (1178) | Peer-Review Report-80K (300) | Answering Reviewers-96K (236) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (14727) | Similar Articles (256) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1491) | Core Tip (1529) | Full Article (HTML) (12131) | Figures (1-1) (552) | Tables (1-5) (554) | Full Article (PDF)-2155K (995) | Peer-Review Report-170K (365) | Answering Reviewers-443K (447) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (74) | Total Visits (24339) | Similar Articles (1119) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1461) | Core Tip (1510) | Full Article (HTML) (5387) | Figures (1-2) (549) | Tables (1-1) (565) | Full Article (PDF)-1096K (813) | Peer-Review Report-79K (258) | Answering Reviewers-96K (284) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (15432) | Similar Articles (1121) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1508) | Core Tip (1429) | Full Article (HTML) (8626) | Figures (1-2) (609) | Full Article (PDF)-1507K (959) | Peer-Review Report-99K (422) | Answering Reviewers-176K (389) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (19820) | Similar Articles (1119) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1565) | Core Tip (1566) | Full Article (HTML) (15963) | Tables (1-3) (648) | Full Article (PDF)-995K (1539) | Peer-Review Report-81K (356) | Answering Reviewers-295K (358) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (250) | Total Visits (30280) | Similar Articles (1119) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1321) | Core Tip (1411) | Full Article (HTML) (7787) | Figures (1-2) (712) | Tables (1-3) (531) | Full Article (PDF)-1589K (825) | Peer-Review Report-101K (307) | Answering Reviewers-197K (336) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (19778) | Similar Articles (212) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1612) | Core Tip (1342) | Full Article (HTML) (6187) | Tables (1-3) (552) | Full Article (PDF)-1040K (703) | Peer-Review Report-95K (332) | Answering Reviewers-64K (269) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (16762) | Similar Articles (442) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1556) | Core Tip (1336) | Full Article (HTML) (12372) | Figures (1-1) (608) | Tables (1-4) (613) | Full Article (PDF)-1052K (1685) | Peer-Review Report-94K (362) | Answering Reviewers-142K (353) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (176) | Total Visits (25233) | Similar Articles (83) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1558) | Core Tip (1563) | Full Article (HTML) (12506) | Figures (1-1) (820) | Tables (1-1) (485) | Full Article (PDF)-1262K (1146) | Peer-Review Report-108K (376) | Answering Reviewers-203K (357) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (24722) | Similar Articles (202) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1552) | Core Tip (1828) | Full Article (HTML) (13242) | Tables (1-2) (508) | Full Article (PDF)-948K (969) | Peer-Review Report-91K (372) | Answering Reviewers-166K (420) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (67) | Total Visits (24144) | Similar Articles (147) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1410) | Core Tip (1377) | Full Article (HTML) (6176) | Figures (1-8) (643) | Tables (1-3) (514) | Full Article (PDF)-2831K (897) | Peer-Review Report-97K (296) | Answering Reviewers-83K (434) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (18244) | Similar Articles (143) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1331) | Core Tip (1385) | Full Article (HTML) (7398) | Figures (1-8) (845) | Tables (1-1) (526) | Full Article (PDF)-1599K (966) | Peer-Review Report-106K (315) | Answering Reviewers-364K (294) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (19296) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1502) | Core Tip (1433) | Full Article (HTML) (10402) | Figures (1-4) (820) | Tables (1-1) (534) | Full Article (PDF)-1123K (946) | Peer-Review Report-95K (300) | Answering Reviewers-82K (277) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (23897) | Similar Articles (1124) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1626) | Core Tip (1573) | Full Article (HTML) (10897) | Figures (1-2) (604) | Tables (1-2) (543) | Full Article (PDF)-1429K (1115) | Peer-Review Report-94K (352) | Answering Reviewers-115K (847) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (23037) | Similar Articles (1971) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1448) | Core Tip (1369) | Full Article (HTML) (5265) | Figures (1-1) (526) | Tables (1-4) (594) | Full Article (PDF)-980K (740) | Peer-Review Report-113K (251) | Answering Reviewers-177K (297) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (15842) | Similar Articles (234) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open