Abstract (1359) | Core Tip (1436) | Full Article (HTML) (3916) | Full Article (PDF)-772K (550) | Peer-Review Report-66K (236) | Answering Reviewers-152K (215) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (12576) | Similar Articles (1237) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1370) | Core Tip (1308) | Full Article (HTML) (6371) | Figures (1-2) (571) | Full Article (PDF)-989K (558) | Peer-Review Report-94K (249) | Answering Reviewers-489K (263) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (16090) | Similar Articles (273) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1528) | Core Tip (1748) | Full Article (HTML) (12815) | Figures (1-4) (660) | Tables (1-1) (519) | Full Article (PDF)-1342K (1461) | Peer-Review Report-119K (333) | Answering Reviewers-389K (338) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (110) | Total Visits (26834) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1599) | Core Tip (1466) | Full Article (HTML) (23167) | Figures (1-2) (2509) | Full Article (PDF)-1922K (1151) | Peer-Review Report-100K (430) | Answering Reviewers-69K (385) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (61) | Total Visits (38691) | Similar Articles (260) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1418) | Core Tip (1397) | Full Article (HTML) (5814) | Tables (1-3) (583) | Full Article (PDF)-1114K (840) | Peer-Review Report-95K (291) | Answering Reviewers-84K (294) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (15750) | Similar Articles (143) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2011) | Core Tip (1860) | Full Article (HTML) (18351) | Figures (1-3) (4326) | Tables (1-4) (534) | Full Article (PDF)-1313K (1416) | Peer-Review Report-122K (360) | Answering Reviewers-141K (344) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (58) | Total Visits (35358) | Similar Articles (429) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1712) | Core Tip (1585) | Full Article (HTML) (18118) | Tables (1-2) (533) | Full Article (PDF)-1208K (1978) | Peer-Review Report-128K (452) | Answering Reviewers-118K (369) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (273) | Total Visits (32372) | Similar Articles (949) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1630) | Core Tip (1573) | Full Article (HTML) (6392) | Figures (1-1) (602) | Tables (1-1) (579) | Full Article (PDF)-1119K (730) | Peer-Review Report-79K (385) | Answering Reviewers-239K (281) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (17604) | Similar Articles (50) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1826) | Core Tip (1549) | Full Article (HTML) (20830) | Figures (1-2) (540) | Tables (1-2) (522) | Full Article (PDF)-1166K (2225) | Peer-Review Report-82K (336) | Answering Reviewers-10K (386) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (114) | Total Visits (35688) | Similar Articles (233) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1677) | Core Tip (1612) | Full Article (HTML) (5425) | Figures (1-2) (557) | Tables (1-4) (545) | Full Article (PDF)-1290K (621) | Peer-Review Report-218K (313) | Answering Reviewers-366K (354) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (17428) | Similar Articles (1235) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1489) | Core Tip (1334) | Full Article (HTML) (7195) | Tables (1-3) (640) | Full Article (PDF)-1094K (766) | Peer-Review Report-79K (333) | Answering Reviewers-172K (330) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (16914) | 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 (1606) | Core Tip (1450) | Full Article (HTML) (7910) | Tables (1-4) (618) | Full Article (PDF)-1226K (971) | Peer-Review Report-92K (335) | Answering Reviewers-63K (316) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (48) | Total Visits (19552) | Similar Articles (1292) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1560) | Core Tip (1612) | Full Article (HTML) (8491) | Figures (1-3) (618) | Tables (1-1) (546) | Full Article (PDF)-1241K (1038) | Peer-Review Report-93K (359) | Answering Reviewers-358K (381) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (20942) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1260) | Core Tip (1362) | Full Article (HTML) (8240) | Figures (1-1) (551) | Full Article (PDF)-944K (783) | Peer-Review Report-91K (273) | Answering Reviewers-247K (377) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (125) | Total Visits (18458) | Similar Articles (1432) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1561) | Core Tip (1559) | Full Article (HTML) (14503) | Figures (1-1) (596) | Tables (1-1) (566) | Full Article (PDF)-935K (1036) | Peer-Review Report-79K (306) | Answering Reviewers-144K (371) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (155) | Total Visits (25119) | Similar Articles (1242) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1536) | Core Tip (1542) | Full Article (HTML) (15251) | Figures (1-2) (1392) | Full Article (PDF)-1185K (1359) | Peer-Review Report-87K (331) | Answering Reviewers-132K (394) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (27337) | Similar Articles (645) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1371) | Core Tip (1268) | Full Article (HTML) (5003) | Tables (1-5) (590) | Full Article (PDF)-942K (1163) | Peer-Review Report-80K (286) | Answering Reviewers-96K (222) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (14363) | Similar Articles (253) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1456) | Core Tip (1500) | Full Article (HTML) (12068) | Figures (1-1) (535) | Tables (1-5) (538) | Full Article (PDF)-2155K (966) | Peer-Review Report-170K (347) | Answering Reviewers-443K (431) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (74) | Total Visits (23834) | Similar Articles (1086) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1438) | Core Tip (1479) | Full Article (HTML) (5297) | Figures (1-2) (529) | Tables (1-1) (549) | Full Article (PDF)-1096K (786) | Peer-Review Report-79K (245) | Answering Reviewers-96K (268) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (14972) | Similar Articles (1088) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1478) | Core Tip (1403) | Full Article (HTML) (8571) | Figures (1-2) (590) | Full Article (PDF)-1507K (939) | Peer-Review Report-99K (407) | Answering Reviewers-176K (372) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (19340) | Similar Articles (1086) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1527) | Core Tip (1534) | Full Article (HTML) (15751) | Tables (1-3) (622) | Full Article (PDF)-995K (1513) | Peer-Review Report-81K (338) | Answering Reviewers-295K (339) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (244) | Total Visits (29614) | Similar Articles (1086) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1297) | Core Tip (1384) | Full Article (HTML) (7735) | Figures (1-2) (686) | Tables (1-3) (513) | Full Article (PDF)-1589K (807) | Peer-Review Report-101K (292) | Answering Reviewers-197K (323) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (19292) | Similar Articles (210) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1586) | Core Tip (1320) | Full Article (HTML) (6118) | Tables (1-3) (530) | Full Article (PDF)-1040K (686) | Peer-Review Report-95K (318) | Answering Reviewers-64K (253) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (16382) | Similar Articles (435) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1528) | Core Tip (1308) | Full Article (HTML) (12237) | Figures (1-1) (581) | Tables (1-4) (591) | Full Article (PDF)-1052K (1657) | Peer-Review Report-94K (346) | Answering Reviewers-142K (335) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (171) | Total Visits (24640) | Similar Articles (78) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1530) | Core Tip (1536) | Full Article (HTML) (12394) | Figures (1-1) (792) | Tables (1-1) (469) | Full Article (PDF)-1262K (1117) | Peer-Review Report-108K (365) | Answering Reviewers-203K (340) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (24272) | Similar Articles (197) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1529) | Core Tip (1806) | Full Article (HTML) (13181) | Tables (1-2) (490) | Full Article (PDF)-948K (951) | Peer-Review Report-91K (358) | Answering Reviewers-166K (403) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (66) | Total Visits (23762) | Similar Articles (144) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1383) | Core Tip (1351) | Full Article (HTML) (6110) | Figures (1-8) (619) | Tables (1-3) (496) | Full Article (PDF)-2831K (882) | Peer-Review Report-97K (282) | Answering Reviewers-83K (421) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (17772) | Similar Articles (135) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1305) | Core Tip (1354) | Full Article (HTML) (7323) | Figures (1-8) (824) | Tables (1-1) (511) | Full Article (PDF)-1599K (951) | Peer-Review Report-106K (297) | Answering Reviewers-364K (281) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (18843) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1476) | Core Tip (1407) | Full Article (HTML) (10276) | Figures (1-4) (797) | Tables (1-1) (516) | Full Article (PDF)-1123K (928) | Peer-Review Report-95K (282) | Answering Reviewers-82K (266) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (23303) | Similar Articles (1091) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1601) | Core Tip (1544) | Full Article (HTML) (10789) | Figures (1-2) (579) | Tables (1-2) (524) | Full Article (PDF)-1429K (1095) | Peer-Review Report-94K (339) | Answering Reviewers-115K (832) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (22550) | Similar Articles (1916) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1424) | Core Tip (1348) | Full Article (HTML) (5200) | Figures (1-1) (504) | Tables (1-4) (575) | Full Article (PDF)-980K (726) | Peer-Review Report-113K (238) | Answering Reviewers-177K (285) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (15461) | Similar Articles (226) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open