Abstract (1354) | Core Tip (1429) | Full Article (HTML) (3904) | Full Article (PDF)-772K (546) | Peer-Review Report-66K (233) | Answering Reviewers-152K (213) | Received: 05/21/2015 | Revised: 07/09/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (10) | Total Visits (12492) | Similar Articles (1229) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1365) | Core Tip (1298) | Full Article (HTML) (6365) | Figures (1-2) (563) | Full Article (PDF)-989K (552) | Peer-Review Report-94K (244) | Answering Reviewers-489K (258) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (15979) | Similar Articles (273) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1521) | Core Tip (1736) | Full Article (HTML) (12783) | Figures (1-4) (653) | Tables (1-1) (514) | Full Article (PDF)-1342K (1459) | Peer-Review Report-119K (328) | Answering Reviewers-389K (336) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (109) | Total Visits (26707) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1593) | Core Tip (1458) | Full Article (HTML) (23099) | Figures (1-2) (2475) | Full Article (PDF)-1922K (1147) | Peer-Review Report-100K (423) | Answering Reviewers-69K (380) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (61) | Total Visits (38479) | Similar Articles (260) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1411) | Core Tip (1390) | Full Article (HTML) (5791) | Tables (1-3) (580) | Full Article (PDF)-1114K (837) | Peer-Review Report-95K (288) | Answering Reviewers-84K (292) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (15649) | Similar Articles (143) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (2002) | Core Tip (1850) | Full Article (HTML) (18290) | Figures (1-3) (4308) | Tables (1-4) (530) | Full Article (PDF)-1313K (1401) | 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 (57) | Total Visits (35192) | Similar Articles (423) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1706) | Core Tip (1579) | Full Article (HTML) (18072) | Tables (1-2) (527) | Full Article (PDF)-1208K (1967) | Peer-Review Report-128K (449) | Answering Reviewers-118K (367) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (272) | Total Visits (32220) | Similar Articles (940) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1623) | Core Tip (1569) | Full Article (HTML) (6383) | Figures (1-1) (598) | Tables (1-1) (575) | Full Article (PDF)-1119K (729) | Peer-Review Report-79K (381) | Answering Reviewers-239K (279) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (17516) | Similar Articles (49) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1817) | Core Tip (1544) | Full Article (HTML) (20806) | Figures (1-2) (535) | Tables (1-2) (517) | Full Article (PDF)-1166K (2221) | Peer-Review Report-82K (332) | Answering Reviewers-10K (382) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (114) | Total Visits (35553) | Similar Articles (231) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1672) | Core Tip (1606) | Full Article (HTML) (5416) | Figures (1-2) (548) | Tables (1-4) (540) | Full Article (PDF)-1290K (618) | Peer-Review Report-218K (312) | Answering Reviewers-366K (348) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (17329) | Similar Articles (1227) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1479) | Core Tip (1327) | Full Article (HTML) (7182) | Tables (1-3) (632) | Full Article (PDF)-1094K (764) | Peer-Review Report-79K (328) | Answering Reviewers-172K (327) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (16794) | 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 (1601) | Core Tip (1444) | Full Article (HTML) (7884) | Tables (1-4) (613) | Full Article (PDF)-1226K (967) | Peer-Review Report-92K (330) | Answering Reviewers-63K (313) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (19450) | Similar Articles (1284) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1553) | Core Tip (1604) | Full Article (HTML) (8475) | Figures (1-3) (614) | Tables (1-1) (538) | Full Article (PDF)-1241K (1036) | Peer-Review Report-93K (357) | Answering Reviewers-358K (379) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (48) | Total Visits (20845) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1257) | Core Tip (1358) | Full Article (HTML) (8222) | Figures (1-1) (547) | Full Article (PDF)-944K (781) | Peer-Review Report-91K (272) | Answering Reviewers-247K (376) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (124) | Total Visits (18367) | Similar Articles (1423) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1554) | Core Tip (1549) | Full Article (HTML) (14488) | Figures (1-1) (589) | Tables (1-1) (555) | Full Article (PDF)-935K (1031) | Peer-Review Report-79K (303) | Answering Reviewers-144K (366) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (154) | Total Visits (25009) | Similar Articles (1234) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1528) | Core Tip (1534) | Full Article (HTML) (15214) | Figures (1-2) (1382) | Full Article (PDF)-1185K (1354) | Peer-Review Report-87K (328) | Answering Reviewers-132K (392) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (27206) | Similar Articles (643) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1362) | Core Tip (1260) | Full Article (HTML) (4996) | Tables (1-5) (584) | Full Article (PDF)-942K (1160) | Peer-Review Report-80K (284) | Answering Reviewers-96K (220) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (14288) | Similar Articles (251) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1447) | Core Tip (1493) | Full Article (HTML) (12058) | Figures (1-1) (530) | Tables (1-5) (534) | Full Article (PDF)-2155K (962) | Peer-Review Report-170K (345) | Answering Reviewers-443K (427) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (73) | Total Visits (23738) | Similar Articles (1078) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1431) | Core Tip (1473) | Full Article (HTML) (5286) | Figures (1-2) (525) | Tables (1-1) (544) | Full Article (PDF)-1096K (785) | Peer-Review Report-79K (241) | Answering Reviewers-96K (265) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (14885) | Similar Articles (1080) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1471) | Core Tip (1398) | Full Article (HTML) (8558) | Figures (1-2) (587) | Full Article (PDF)-1507K (933) | Peer-Review Report-99K (401) | Answering Reviewers-176K (370) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (19263) | Similar Articles (1078) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1517) | Core Tip (1528) | Full Article (HTML) (15716) | Tables (1-3) (615) | Full Article (PDF)-995K (1511) | Peer-Review Report-81K (333) | Answering Reviewers-295K (338) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (243) | Total Visits (29469) | Similar Articles (1078) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1290) | Core Tip (1379) | Full Article (HTML) (7727) | Figures (1-2) (681) | Tables (1-3) (508) | Full Article (PDF)-1589K (801) | Peer-Review Report-101K (287) | Answering Reviewers-197K (320) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (19168) | Similar Articles (210) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1582) | Core Tip (1313) | Full Article (HTML) (6102) | Tables (1-3) (525) | Full Article (PDF)-1040K (680) | Peer-Review Report-95K (316) | Answering Reviewers-64K (251) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (16290) | Similar Articles (431) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1523) | Core Tip (1303) | Full Article (HTML) (12209) | Figures (1-1) (572) | Tables (1-4) (586) | Full Article (PDF)-1052K (1653) | Peer-Review Report-94K (341) | Answering Reviewers-142K (331) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (171) | Total Visits (24524) | Similar Articles (77) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1524) | Core Tip (1529) | Full Article (HTML) (12362) | Figures (1-1) (780) | Tables (1-1) (462) | Full Article (PDF)-1262K (1112) | Peer-Review Report-108K (361) | Answering Reviewers-203K (335) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (24167) | Similar Articles (195) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1522) | Core Tip (1800) | Full Article (HTML) (13170) | Tables (1-2) (486) | Full Article (PDF)-948K (944) | Peer-Review Report-91K (356) | Answering Reviewers-166K (398) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (65) | Total Visits (23687) | Similar Articles (144) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1379) | Core Tip (1344) | Full Article (HTML) (6095) | Figures (1-8) (614) | Tables (1-3) (487) | Full Article (PDF)-2831K (880) | Peer-Review Report-97K (279) | Answering Reviewers-83K (419) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (17666) | Similar Articles (134) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1298) | Core Tip (1349) | Full Article (HTML) (7311) | Figures (1-8) (818) | Tables (1-1) (508) | Full Article (PDF)-1599K (948) | Peer-Review Report-106K (295) | Answering Reviewers-364K (279) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (18732) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1468) | Core Tip (1402) | Full Article (HTML) (10253) | Figures (1-4) (789) | Tables (1-1) (509) | Full Article (PDF)-1123K (918) | Peer-Review Report-95K (272) | Answering Reviewers-82K (262) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (40) | Total Visits (23152) | Similar Articles (1083) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1595) | Core Tip (1534) | Full Article (HTML) (10764) | Figures (1-2) (575) | Tables (1-2) (518) | Full Article (PDF)-1429K (1091) | Peer-Review Report-94K (337) | Answering Reviewers-115K (829) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (22443) | Similar Articles (1905) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1417) | Core Tip (1342) | Full Article (HTML) (5194) | Figures (1-1) (500) | Tables (1-4) (572) | Full Article (PDF)-980K (724) | Peer-Review Report-113K (235) | Answering Reviewers-177K (281) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (51) | Total Visits (15378) | Similar Articles (223) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open