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Abstract (1384) | Core Tip (1323) | Full Article (HTML) (6393) | Figures (1-2) (581) | Full Article (PDF)-989K (563) | Peer-Review Report-94K (253) | Answering Reviewers-489K (268) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (16253) | Similar Articles (274) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1541) | Core Tip (1765) | Full Article (HTML) (12868) | Figures (1-4) (670) | Tables (1-1) (526) | Full Article (PDF)-1342K (1471) | Peer-Review Report-119K (339) | Answering Reviewers-389K (344) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (112) | Total Visits (27077) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1610) | Core Tip (1484) | Full Article (HTML) (23317) | Figures (1-2) (2551) | Full Article (PDF)-1922K (1160) | Peer-Review Report-100K (435) | Answering Reviewers-69K (393) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (61) | Total Visits (39085) | Similar Articles (261) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1427) | Core Tip (1406) | Full Article (HTML) (5842) | Tables (1-3) (591) | Full Article (PDF)-1114K (851) | Peer-Review Report-95K (298) | Answering Reviewers-84K (301) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (15956) | Similar Articles (143) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2020) | Core Tip (1871) | Full Article (HTML) (18414) | Figures (1-3) (4366) | Tables (1-4) (541) | Full Article (PDF)-1313K (1431) | Peer-Review Report-122K (366) | Answering Reviewers-141K (350) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (59) | Total Visits (35646) | Similar Articles (440) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1725) | Core Tip (1600) | Full Article (HTML) (18169) | Tables (1-2) (540) | Full Article (PDF)-1208K (1990) | Peer-Review Report-128K (459) | Answering Reviewers-118K (375) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (275) | Total Visits (32585) | Similar Articles (957) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1637) | Core Tip (1588) | Full Article (HTML) (6414) | Figures (1-1) (611) | Tables (1-1) (588) | Full Article (PDF)-1119K (740) | Peer-Review Report-79K (399) | Answering Reviewers-239K (288) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (17817) | Similar Articles (52) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1837) | Core Tip (1559) | Full Article (HTML) (20867) | Figures (1-2) (548) | Tables (1-2) (527) | Full Article (PDF)-1166K (2233) | Peer-Review Report-82K (343) | Answering Reviewers-10K (398) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (117) | Total Visits (35895) | Similar Articles (233) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1687) | Core Tip (1622) | Full Article (HTML) (5441) | Figures (1-2) (563) | Tables (1-4) (551) | Full Article (PDF)-1290K (628) | Peer-Review Report-218K (322) | Answering Reviewers-366K (360) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (17677) | Similar Articles (1249) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1500) | Core Tip (1346) | Full Article (HTML) (7213) | Tables (1-3) (645) | Full Article (PDF)-1094K (775) | Peer-Review Report-79K (340) | Answering Reviewers-172K (337) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (17070) | 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 (1622) | Core Tip (1464) | Full Article (HTML) (7946) | Tables (1-4) (623) | Full Article (PDF)-1226K (982) | Peer-Review Report-92K (348) | Answering Reviewers-63K (322) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (19753) | Similar Articles (1306) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1574) | Core Tip (1625) | Full Article (HTML) (8519) | Figures (1-3) (627) | Tables (1-1) (552) | Full Article (PDF)-1241K (1048) | Peer-Review Report-93K (366) | Answering Reviewers-358K (387) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (21120) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1276) | Core Tip (1372) | Full Article (HTML) (8280) | Figures (1-1) (560) | Full Article (PDF)-944K (797) | Peer-Review Report-91K (283) | Answering Reviewers-247K (388) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (127) | Total Visits (18678) | Similar Articles (1447) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1573) | Core Tip (1569) | Full Article (HTML) (14537) | Figures (1-1) (605) | Tables (1-1) (572) | Full Article (PDF)-935K (1047) | Peer-Review Report-79K (312) | Answering Reviewers-144K (380) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (155) | Total Visits (25330) | Similar Articles (1256) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1550) | Core Tip (1555) | Full Article (HTML) (15304) | Figures (1-2) (1411) | Full Article (PDF)-1185K (1371) | Peer-Review Report-87K (339) | Answering Reviewers-132K (405) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (27552) | Similar Articles (651) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1381) | Core Tip (1278) | Full Article (HTML) (5020) | Tables (1-5) (599) | Full Article (PDF)-942K (1172) | Peer-Review Report-80K (292) | Answering Reviewers-96K (227) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (14530) | Similar Articles (252) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1470) | Core Tip (1511) | Full Article (HTML) (12088) | Figures (1-1) (541) | Tables (1-5) (545) | Full Article (PDF)-2155K (981) | Peer-Review Report-170K (355) | Answering Reviewers-443K (438) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (74) | Total Visits (24077) | Similar Articles (1101) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1447) | Core Tip (1490) | Full Article (HTML) (5337) | Figures (1-2) (537) | Tables (1-1) (556) | Full Article (PDF)-1096K (797) | Peer-Review Report-79K (252) | Answering Reviewers-96K (274) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (15159) | Similar Articles (1103) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1491) | Core Tip (1415) | Full Article (HTML) (8594) | Figures (1-2) (598) | Full Article (PDF)-1507K (948) | Peer-Review Report-99K (413) | Answering Reviewers-176K (380) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (19546) | Similar Articles (1101) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1548) | Core Tip (1549) | Full Article (HTML) (15832) | Tables (1-3) (635) | Full Article (PDF)-995K (1524) | Peer-Review Report-81K (345) | Answering Reviewers-295K (346) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (244) | Total Visits (29907) | Similar Articles (1101) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1307) | Core Tip (1399) | Full Article (HTML) (7757) | Figures (1-2) (696) | Tables (1-3) (520) | Full Article (PDF)-1589K (813) | Peer-Review Report-101K (301) | Answering Reviewers-197K (329) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (19499) | Similar Articles (210) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1599) | Core Tip (1328) | Full Article (HTML) (6142) | Tables (1-3) (538) | Full Article (PDF)-1040K (696) | Peer-Review Report-95K (327) | Answering Reviewers-64K (259) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (16543) | Similar Articles (436) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1541) | Core Tip (1322) | Full Article (HTML) (12296) | Figures (1-1) (595) | Tables (1-4) (601) | Full Article (PDF)-1052K (1671) | Peer-Review Report-94K (352) | Answering Reviewers-142K (342) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (173) | Total Visits (24903) | Similar Articles (78) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1540) | Core Tip (1548) | Full Article (HTML) (12431) | Figures (1-1) (803) | Tables (1-1) (475) | Full Article (PDF)-1262K (1129) | Peer-Review Report-108K (373) | Answering Reviewers-203K (350) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (24456) | Similar Articles (198) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1541) | Core Tip (1814) | Full Article (HTML) (13202) | Tables (1-2) (498) | Full Article (PDF)-948K (958) | Peer-Review Report-91K (364) | Answering Reviewers-166K (412) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (67) | Total Visits (23933) | Similar Articles (145) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1393) | Core Tip (1361) | Full Article (HTML) (6128) | Figures (1-8) (629) | Tables (1-3) (504) | Full Article (PDF)-2831K (891) | Peer-Review Report-97K (288) | Answering Reviewers-83K (427) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (17959) | Similar Articles (140) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1315) | Core Tip (1365) | Full Article (HTML) (7357) | Figures (1-8) (833) | Tables (1-1) (518) | Full Article (PDF)-1599K (960) | Peer-Review Report-106K (304) | Answering Reviewers-364K (288) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (19068) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1487) | Core Tip (1419) | Full Article (HTML) (10325) | Figures (1-4) (808) | Tables (1-1) (523) | Full Article (PDF)-1123K (935) | Peer-Review Report-95K (293) | Answering Reviewers-82K (272) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (23570) | Similar Articles (1106) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1613) | Core Tip (1551) | Full Article (HTML) (10823) | Figures (1-2) (590) | Tables (1-2) (533) | Full Article (PDF)-1429K (1103) | Peer-Review Report-94K (345) | Answering Reviewers-115K (837) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (22741) | Similar Articles (1937) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1435) | Core Tip (1357) | Full Article (HTML) (5227) | Figures (1-1) (516) | Tables (1-4) (585) | Full Article (PDF)-980K (734) | Peer-Review Report-113K (243) | Answering Reviewers-177K (290) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (15649) | Similar Articles (229) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open