Abstract (1293) | Core Tip (1342) | Full Article (HTML) (3779) | Full Article (PDF)-772K (528) | Peer-Review Report-66K (218) | Answering Reviewers-152K (202) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (11969) | Similar Articles (1186) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1298) | Core Tip (1201) | Full Article (HTML) (6210) | Figures (1-2) (511) | Full Article (PDF)-989K (528) | Peer-Review Report-94K (227) | Answering Reviewers-489K (243) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (15335) | Similar Articles (267) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1433) | Core Tip (1644) | Full Article (HTML) (12283) | Figures (1-4) (607) | Tables (1-1) (462) | Full Article (PDF)-1342K (1401) | Peer-Review Report-119K (310) | Answering Reviewers-389K (315) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (108) | Total Visits (25496) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1510) | Core Tip (1392) | Full Article (HTML) (22493) | Figures (1-2) (2344) | Full Article (PDF)-1922K (1063) | Peer-Review Report-100K (404) | Answering Reviewers-69K (364) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (37149) | Similar Articles (254) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1343) | Core Tip (1325) | Full Article (HTML) (5556) | Tables (1-3) (515) | Full Article (PDF)-1114K (780) | Peer-Review Report-95K (272) | Answering Reviewers-84K (275) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (24) | Total Visits (14868) | Similar Articles (142) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1925) | Core Tip (1778) | Full Article (HTML) (17372) | Figures (1-3) (4158) | Tables (1-4) (471) | Full Article (PDF)-1313K (1359) | Peer-Review Report-122K (345) | Answering Reviewers-141K (327) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (33561) | Similar Articles (403) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1611) | Core Tip (1476) | Full Article (HTML) (17609) | Tables (1-2) (481) | Full Article (PDF)-1208K (1914) | Peer-Review Report-128K (428) | Answering Reviewers-118K (346) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (266) | Total Visits (31052) | Similar Articles (923) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1547) | Core Tip (1470) | Full Article (HTML) (6187) | Figures (1-1) (550) | Tables (1-1) (523) | Full Article (PDF)-1119K (698) | Peer-Review Report-79K (339) | Answering Reviewers-239K (261) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (16707) | Similar Articles (48) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1746) | Core Tip (1474) | Full Article (HTML) (15141) | Figures (1-2) (489) | Tables (1-2) (474) | Full Article (PDF)-1166K (2182) | Peer-Review Report-82K (309) | Answering Reviewers-10K (360) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (109) | Total Visits (29218) | Similar Articles (225) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1585) | Core Tip (1525) | Full Article (HTML) (5252) | Figures (1-2) (483) | Tables (1-4) (476) | Full Article (PDF)-1290K (577) | Peer-Review Report-218K (293) | Answering Reviewers-366K (328) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (16481) | Similar Articles (1184) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1412) | Core Tip (1240) | Full Article (HTML) (7006) | Tables (1-3) (594) | Full Article (PDF)-1094K (740) | Peer-Review Report-79K (312) | Answering Reviewers-172K (313) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (16178) | 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 (1527) | Core Tip (1362) | Full Article (HTML) (7429) | Tables (1-4) (553) | Full Article (PDF)-1226K (931) | Peer-Review Report-92K (304) | Answering Reviewers-63K (300) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (18446) | Similar Articles (1238) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1453) | Core Tip (1509) | Full Article (HTML) (8225) | Figures (1-3) (560) | Tables (1-1) (482) | Full Article (PDF)-1241K (1001) | Peer-Review Report-93K (336) | Answering Reviewers-358K (366) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (20000) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1183) | Core Tip (1275) | Full Article (HTML) (7958) | Figures (1-1) (494) | Full Article (PDF)-944K (750) | Peer-Review Report-91K (256) | Answering Reviewers-247K (358) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (122) | Total Visits (17576) | Similar Articles (1377) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1478) | Core Tip (1468) | Full Article (HTML) (11615) | Figures (1-1) (535) | Tables (1-1) (478) | Full Article (PDF)-935K (1011) | Peer-Review Report-79K (284) | Answering Reviewers-144K (353) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (150) | Total Visits (21610) | 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 (1457) | Core Tip (1457) | Full Article (HTML) (14939) | Figures (1-2) (1325) | Full Article (PDF)-1185K (1332) | Peer-Review Report-87K (297) | Answering Reviewers-132K (361) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (48) | Total Visits (26445) | Similar Articles (627) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1267) | Core Tip (1191) | Full Article (HTML) (4878) | Tables (1-5) (537) | Full Article (PDF)-942K (646) | Peer-Review Report-80K (272) | Answering Reviewers-96K (203) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (13215) | Similar Articles (244) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1384) | Core Tip (1421) | Full Article (HTML) (11845) | Figures (1-1) (488) | Tables (1-5) (492) | Full Article (PDF)-2155K (910) | Peer-Review Report-170K (330) | Answering Reviewers-443K (409) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (71) | Total Visits (23007) | Similar Articles (1029) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1362) | Core Tip (1398) | Full Article (HTML) (5137) | Figures (1-2) (480) | Tables (1-1) (501) | Full Article (PDF)-1096K (761) | Peer-Review Report-79K (226) | Answering Reviewers-96K (252) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (14251) | Similar Articles (1031) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1390) | Core Tip (1311) | Full Article (HTML) (8354) | Figures (1-2) (541) | Full Article (PDF)-1507K (889) | Peer-Review Report-99K (386) | Answering Reviewers-176K (355) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (18544) | Similar Articles (1029) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1380) | Core Tip (1425) | Full Article (HTML) (14969) | Tables (1-3) (554) | Full Article (PDF)-995K (1219) | Peer-Review Report-81K (317) | Answering Reviewers-295K (317) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (235) | Total Visits (27728) | Similar Articles (1029) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1205) | Core Tip (1311) | Full Article (HTML) (7577) | Figures (1-2) (638) | Tables (1-3) (470) | Full Article (PDF)-1589K (778) | Peer-Review Report-101K (274) | Answering Reviewers-197K (301) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (18481) | Similar Articles (205) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1456) | Core Tip (1249) | Full Article (HTML) (5904) | Tables (1-3) (484) | Full Article (PDF)-1040K (637) | Peer-Review Report-95K (284) | Answering Reviewers-64K (235) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (15546) | Similar Articles (416) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1438) | Core Tip (1238) | Full Article (HTML) (11671) | Figures (1-1) (504) | Tables (1-4) (527) | Full Article (PDF)-1052K (1606) | Peer-Review Report-94K (327) | Answering Reviewers-142K (318) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (170) | Total Visits (23372) | Similar Articles (76) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1437) | Core Tip (1452) | Full Article (HTML) (11960) | Figures (1-1) (706) | Tables (1-1) (424) | Full Article (PDF)-1262K (1062) | Peer-Review Report-108K (333) | Answering Reviewers-203K (322) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (23277) | Similar Articles (187) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1462) | Core Tip (1699) | Full Article (HTML) (12849) | Tables (1-2) (441) | Full Article (PDF)-948K (914) | Peer-Review Report-91K (337) | Answering Reviewers-166K (382) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (22862) | Similar Articles (141) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1300) | Core Tip (1241) | Full Article (HTML) (5924) | Figures (1-8) (555) | Tables (1-3) (442) | Full Article (PDF)-2831K (833) | Peer-Review Report-97K (263) | Answering Reviewers-83K (403) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (16887) | Similar Articles (131) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1228) | Core Tip (1261) | Full Article (HTML) (7119) | Figures (1-8) (736) | Tables (1-1) (456) | Full Article (PDF)-1599K (921) | Peer-Review Report-106K (282) | Answering Reviewers-364K (249) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (17941) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1396) | Core Tip (1322) | Full Article (HTML) (9856) | Figures (1-4) (738) | Tables (1-1) (449) | Full Article (PDF)-1123K (892) | Peer-Review Report-95K (257) | Answering Reviewers-82K (235) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (22062) | Similar Articles (1034) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1505) | Core Tip (1461) | Full Article (HTML) (10435) | Figures (1-2) (520) | Tables (1-2) (457) | Full Article (PDF)-1429K (1070) | Peer-Review Report-94K (317) | Answering Reviewers-115K (811) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (43) | Total Visits (21546) | Similar Articles (1836) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1345) | Core Tip (1276) | Full Article (HTML) (5037) | Figures (1-1) (449) | Tables (1-4) (518) | Full Article (PDF)-980K (698) | Peer-Review Report-113K (219) | Answering Reviewers-177K (265) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (14725) | Similar Articles (219) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open