Abstract (1345) | Core Tip (1416) | Full Article (HTML) (3886) | 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 (12350) | Similar Articles (1213) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1351) | Core Tip (1282) | Full Article (HTML) (6344) | Figures (1-2) (558) | Full Article (PDF)-989K (546) | 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 (15834) | Similar Articles (270) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1508) | Core Tip (1712) | Full Article (HTML) (12733) | Figures (1-4) (645) | Tables (1-1) (505) | Full Article (PDF)-1342K (1444) | Peer-Review Report-119K (321) | Answering Reviewers-389K (328) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (109) | Total Visits (26448) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1580) | Core Tip (1445) | Full Article (HTML) (22927) | Figures (1-2) (2443) | Full Article (PDF)-1922K (1138) | Peer-Review Report-100K (417) | Answering Reviewers-69K (375) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (38098) | Similar Articles (257) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1396) | Core Tip (1377) | Full Article (HTML) (5753) | Tables (1-3) (572) | Full Article (PDF)-1114K (826) | Peer-Review Report-95K (284) | Answering Reviewers-84K (289) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (15466) | Similar Articles (143) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1995) | Core Tip (1840) | Full Article (HTML) (18179) | Figures (1-3) (4269) | Tables (1-4) (520) | Full Article (PDF)-1313K (1385) | Peer-Review Report-122K (354) | Answering Reviewers-141K (336) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (34862) | Similar Articles (418) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1689) | Core Tip (1565) | Full Article (HTML) (18010) | Tables (1-2) (520) | Full Article (PDF)-1208K (1946) | Peer-Review Report-128K (443) | Answering Reviewers-118K (359) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (269) | Total Visits (31934) | Similar Articles (933) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1609) | Core Tip (1551) | Full Article (HTML) (6362) | Figures (1-1) (591) | Tables (1-1) (569) | Full Article (PDF)-1119K (715) | Peer-Review Report-79K (367) | Answering Reviewers-239K (270) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (17310) | Similar Articles (48) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1802) | Core Tip (1530) | Full Article (HTML) (20747) | Figures (1-2) (528) | Tables (1-2) (511) | Full Article (PDF)-1166K (2212) | Peer-Review Report-82K (324) | Answering Reviewers-10K (374) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (112) | Total Visits (35314) | Similar Articles (228) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1661) | Core Tip (1589) | Full Article (HTML) (5396) | Figures (1-2) (539) | Tables (1-4) (532) | Full Article (PDF)-1290K (601) | Peer-Review Report-218K (302) | Answering Reviewers-366K (341) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (17093) | Similar Articles (1211) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1468) | Core Tip (1313) | Full Article (HTML) (7158) | Tables (1-3) (624) | Full Article (PDF)-1094K (758) | Peer-Review Report-79K (321) | Answering Reviewers-172K (324) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (16657) | 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 (1585) | Core Tip (1427) | Full Article (HTML) (7849) | Tables (1-4) (604) | Full Article (PDF)-1226K (962) | Peer-Review Report-92K (323) | Answering Reviewers-63K (309) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (19252) | Similar Articles (1267) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1536) | Core Tip (1591) | Full Article (HTML) (8455) | Figures (1-3) (604) | Tables (1-1) (532) | Full Article (PDF)-1241K (1026) | Peer-Review Report-93K (350) | Answering Reviewers-358K (374) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (20670) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1243) | Core Tip (1346) | Full Article (HTML) (8192) | Figures (1-1) (538) | Full Article (PDF)-944K (767) | Peer-Review Report-91K (264) | Answering Reviewers-247K (371) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (122) | Total Visits (18169) | Similar Articles (1406) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1540) | Core Tip (1531) | Full Article (HTML) (14455) | Figures (1-1) (581) | Tables (1-1) (538) | Full Article (PDF)-935K (1026) | Peer-Review Report-79K (296) | Answering Reviewers-144K (363) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (151) | Total Visits (24828) | Similar Articles (1218) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1515) | Core Tip (1523) | Full Article (HTML) (15166) | Figures (1-2) (1369) | Full Article (PDF)-1185K (1344) | Peer-Review Report-87K (324) | Answering Reviewers-132K (387) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (27019) | Similar Articles (633) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1350) | Core Tip (1250) | Full Article (HTML) (4977) | Tables (1-5) (576) | Full Article (PDF)-942K (1153) | Peer-Review Report-80K (282) | Answering Reviewers-96K (218) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (14170) | Similar Articles (251) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1434) | Core Tip (1478) | Full Article (HTML) (12038) | Figures (1-1) (521) | Tables (1-5) (526) | Full Article (PDF)-2155K (947) | Peer-Review Report-170K (341) | Answering Reviewers-443K (423) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (73) | Total Visits (23547) | Similar Articles (1058) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1416) | Core Tip (1459) | Full Article (HTML) (5260) | Figures (1-2) (517) | Tables (1-1) (535) | Full Article (PDF)-1096K (779) | Peer-Review Report-79K (236) | Answering Reviewers-96K (263) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (14732) | Similar Articles (1060) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1453) | Core Tip (1383) | Full Article (HTML) (8537) | Figures (1-2) (579) | Full Article (PDF)-1507K (925) | Peer-Review Report-99K (396) | Answering Reviewers-176K (366) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (19111) | Similar Articles (1058) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1504) | Core Tip (1514) | Full Article (HTML) (15666) | Tables (1-3) (606) | Full Article (PDF)-995K (1496) | Peer-Review Report-81K (329) | Answering Reviewers-295K (333) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (239) | Total Visits (29231) | Similar Articles (1058) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1272) | Core Tip (1372) | Full Article (HTML) (7702) | Figures (1-2) (671) | Tables (1-3) (502) | Full Article (PDF)-1589K (796) | Peer-Review Report-101K (283) | Answering Reviewers-197K (314) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (19009) | Similar Articles (209) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1566) | Core Tip (1297) | Full Article (HTML) (6065) | Tables (1-3) (518) | Full Article (PDF)-1040K (675) | Peer-Review Report-95K (309) | Answering Reviewers-64K (246) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (16127) | Similar Articles (426) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1507) | Core Tip (1291) | Full Article (HTML) (12142) | Figures (1-1) (562) | Tables (1-4) (579) | Full Article (PDF)-1052K (1645) | Peer-Review Report-94K (339) | Answering Reviewers-142K (329) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (171) | Total Visits (24322) | Similar Articles (76) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1510) | Core Tip (1520) | Full Article (HTML) (12312) | Figures (1-1) (770) | Tables (1-1) (455) | Full Article (PDF)-1262K (1103) | Peer-Review Report-108K (358) | Answering Reviewers-203K (332) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (24019) | Similar Articles (193) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1513) | Core Tip (1787) | Full Article (HTML) (13135) | Tables (1-2) (478) | Full Article (PDF)-948K (933) | Peer-Review Report-91K (350) | Answering Reviewers-166K (392) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (23503) | Similar Articles (144) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1363) | Core Tip (1329) | Full Article (HTML) (6067) | Figures (1-8) (606) | Tables (1-3) (480) | Full Article (PDF)-2831K (874) | Peer-Review Report-97K (272) | Answering Reviewers-83K (412) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (17472) | Similar Articles (133) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1279) | Core Tip (1332) | Full Article (HTML) (7283) | Figures (1-8) (811) | Tables (1-1) (498) | Full Article (PDF)-1599K (941) | Peer-Review Report-106K (290) | Answering Reviewers-364K (276) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (18566) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1456) | Core Tip (1387) | Full Article (HTML) (10192) | Figures (1-4) (780) | Tables (1-1) (499) | Full Article (PDF)-1123K (906) | Peer-Review Report-95K (269) | Answering Reviewers-82K (257) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (22911) | Similar Articles (1063) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1586) | Core Tip (1521) | Full Article (HTML) (10728) | Figures (1-2) (568) | Tables (1-2) (512) | Full Article (PDF)-1429K (1086) | Peer-Review Report-94K (332) | Answering Reviewers-115K (826) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (22274) | Similar Articles (1875) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1408) | Core Tip (1331) | Full Article (HTML) (5170) | Figures (1-1) (492) | Tables (1-4) (566) | Full Article (PDF)-980K (714) | Peer-Review Report-113K (232) | Answering Reviewers-177K (278) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (15225) | Similar Articles (222) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open