Abstract (1205) | Core Tip (1257) | Full Article (HTML) (3639) | Full Article (PDF)-772K (499) | Peer-Review Report-66K (189) | Answering Reviewers-152K (179) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (11306) | Similar Articles (1165) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1231) | Core Tip (1122) | Full Article (HTML) (6023) | Figures (1-2) (458) | Full Article (PDF)-989K (497) | Peer-Review Report-94K (201) | Answering Reviewers-489K (221) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (14614) | Similar Articles (261) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1333) | Core Tip (1533) | Full Article (HTML) (11918) | Figures (1-4) (548) | Tables (1-1) (411) | Full Article (PDF)-1342K (1343) | Peer-Review Report-119K (273) | Answering Reviewers-389K (287) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (108) | Total Visits (24321) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1426) | Core Tip (1319) | Full Article (HTML) (21923) | Figures (1-2) (2212) | Full Article (PDF)-1922K (1013) | Peer-Review Report-100K (384) | Answering Reviewers-69K (346) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (35819) | Similar Articles (248) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1262) | Core Tip (1244) | Full Article (HTML) (5322) | Tables (1-3) (456) | Full Article (PDF)-1114K (738) | Peer-Review Report-95K (242) | Answering Reviewers-84K (254) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (24) | Total Visits (13991) | Similar Articles (138) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1841) | Core Tip (1687) | Full Article (HTML) (16810) | Figures (1-3) (4014) | Tables (1-4) (406) | Full Article (PDF)-1313K (1316) | Peer-Review Report-122K (325) | Answering Reviewers-141K (302) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (32270) | Similar Articles (395) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1538) | Core Tip (1386) | Full Article (HTML) (17037) | Tables (1-2) (411) | Full Article (PDF)-1208K (1870) | Peer-Review Report-128K (404) | Answering Reviewers-118K (321) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (257) | Total Visits (29780) | Similar Articles (910) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1459) | Core Tip (1374) | Full Article (HTML) (5918) | Figures (1-1) (504) | Tables (1-1) (463) | Full Article (PDF)-1119K (662) | Peer-Review Report-79K (305) | Answering Reviewers-239K (245) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (15827) | Similar Articles (47) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1678) | Core Tip (1402) | Full Article (HTML) (14555) | Figures (1-2) (438) | Tables (1-2) (419) | Full Article (PDF)-1166K (2145) | Peer-Review Report-82K (282) | Answering Reviewers-10K (330) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (107) | Total Visits (27880) | Similar Articles (221) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1500) | Core Tip (1433) | Full Article (HTML) (5111) | Figures (1-2) (435) | Tables (1-4) (416) | Full Article (PDF)-1290K (535) | Peer-Review Report-218K (257) | Answering Reviewers-366K (302) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (15599) | Similar Articles (1163) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1329) | Core Tip (1162) | Full Article (HTML) (6791) | Tables (1-3) (535) | Full Article (PDF)-1094K (704) | Peer-Review Report-79K (287) | Answering Reviewers-172K (285) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (15408) | 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 (1435) | Core Tip (1264) | Full Article (HTML) (7028) | Tables (1-4) (499) | Full Article (PDF)-1226K (875) | Peer-Review Report-92K (284) | Answering Reviewers-63K (272) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (17366) | Similar Articles (1216) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1362) | Core Tip (1411) | Full Article (HTML) (8013) | Figures (1-3) (494) | Tables (1-1) (426) | Full Article (PDF)-1241K (948) | Peer-Review Report-93K (311) | Answering Reviewers-358K (346) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (19086) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1110) | Core Tip (1177) | Full Article (HTML) (7681) | Figures (1-1) (435) | Full Article (PDF)-944K (718) | Peer-Review Report-91K (234) | Answering Reviewers-247K (324) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (119) | Total Visits (16731) | Similar Articles (1354) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1394) | Core Tip (1390) | Full Article (HTML) (11334) | Figures (1-1) (469) | Tables (1-1) (415) | Full Article (PDF)-935K (961) | Peer-Review Report-79K (249) | Answering Reviewers-144K (316) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (147) | Total Visits (20684) | Similar Articles (1170) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1385) | Core Tip (1374) | Full Article (HTML) (14667) | Figures (1-2) (1249) | Full Article (PDF)-1185K (1296) | Peer-Review Report-87K (266) | Answering Reviewers-132K (317) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (25604) | Similar Articles (619) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1194) | Core Tip (1109) | Full Article (HTML) (4727) | Tables (1-5) (484) | Full Article (PDF)-942K (609) | Peer-Review Report-80K (249) | Answering Reviewers-96K (178) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (12550) | Similar Articles (243) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1303) | Core Tip (1340) | Full Article (HTML) (10934) | Figures (1-1) (432) | Tables (1-5) (428) | Full Article (PDF)-2155K (864) | Peer-Review Report-170K (304) | Answering Reviewers-443K (382) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (71) | Total Visits (21437) | Similar Articles (1004) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1278) | Core Tip (1312) | Full Article (HTML) (4950) | Figures (1-2) (424) | Tables (1-1) (444) | Full Article (PDF)-1096K (715) | Peer-Review Report-79K (201) | Answering Reviewers-96K (224) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (29) | Total Visits (13466) | Similar Articles (1006) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1316) | Core Tip (1232) | Full Article (HTML) (8125) | Figures (1-2) (485) | Full Article (PDF)-1507K (824) | Peer-Review Report-99K (362) | Answering Reviewers-176K (334) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (48) | Total Visits (17704) | Similar Articles (1004) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1296) | Core Tip (1345) | Full Article (HTML) (14066) | Tables (1-3) (474) | Full Article (PDF)-995K (1176) | Peer-Review Report-81K (293) | Answering Reviewers-295K (299) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (232) | Total Visits (26044) | Similar Articles (1004) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1107) | Core Tip (1219) | Full Article (HTML) (7279) | Figures (1-2) (568) | Tables (1-3) (411) | Full Article (PDF)-1589K (738) | Peer-Review Report-101K (240) | Answering Reviewers-197K (271) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (17474) | Similar Articles (203) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1311) | Core Tip (1165) | Full Article (HTML) (5645) | Tables (1-3) (421) | Full Article (PDF)-1040K (586) | Peer-Review Report-95K (244) | Answering Reviewers-64K (213) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (14601) | Similar Articles (406) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1347) | Core Tip (1156) | Full Article (HTML) (11217) | Figures (1-1) (450) | Tables (1-4) (445) | Full Article (PDF)-1052K (1563) | Peer-Review Report-94K (303) | Answering Reviewers-142K (292) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (167) | Total Visits (22251) | Similar Articles (74) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1348) | Core Tip (1355) | Full Article (HTML) (11514) | Figures (1-1) (629) | Tables (1-1) (373) | Full Article (PDF)-1262K (1011) | Peer-Review Report-108K (291) | Answering Reviewers-203K (282) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (43) | Total Visits (22268) | Similar Articles (187) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1382) | Core Tip (1555) | Full Article (HTML) (12441) | Tables (1-2) (377) | Full Article (PDF)-948K (888) | Peer-Review Report-91K (312) | Answering Reviewers-166K (352) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (21865) | Similar Articles (140) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1217) | Core Tip (1144) | Full Article (HTML) (5626) | Figures (1-8) (486) | Tables (1-3) (386) | Full Article (PDF)-2831K (799) | Peer-Review Report-97K (238) | Answering Reviewers-83K (378) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (15777) | Similar Articles (130) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1142) | Core Tip (1177) | Full Article (HTML) (6861) | Figures (1-8) (634) | Tables (1-1) (390) | Full Article (PDF)-1599K (875) | Peer-Review Report-106K (260) | Answering Reviewers-364K (218) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (16954) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1305) | Core Tip (1238) | Full Article (HTML) (9517) | Figures (1-4) (687) | Tables (1-1) (387) | Full Article (PDF)-1123K (841) | Peer-Review Report-95K (226) | Answering Reviewers-82K (204) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (20855) | Similar Articles (1009) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1408) | Core Tip (1372) | Full Article (HTML) (10095) | Figures (1-2) (464) | Tables (1-2) (392) | Full Article (PDF)-1429K (1030) | Peer-Review Report-94K (288) | Answering Reviewers-115K (782) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (20599) | Similar Articles (1801) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1276) | Core Tip (1207) | Full Article (HTML) (4817) | Figures (1-1) (402) | Tables (1-4) (450) | Full Article (PDF)-980K (672) | Peer-Review Report-113K (186) | Answering Reviewers-177K (240) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (13963) | Similar Articles (214) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open