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Abstract (1324) | Core Tip (1238) | Full Article (HTML) (6280) | Figures (1-2) (531) | Full Article (PDF)-989K (536) | Peer-Review Report-94K (234) | Answering Reviewers-489K (249) | Received: 04/10/2015 | Revised: 05/29/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (15559) | Similar Articles (267) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1469) | Core Tip (1671) | Full Article (HTML) (12426) | Figures (1-4) (621) | Tables (1-1) (484) | Full Article (PDF)-1342K (1418) | Peer-Review Report-119K (315) | Answering Reviewers-389K (320) | Received: 04/15/2015 | Revised: 06/17/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (108) | Total Visits (25856) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1546) | Core Tip (1414) | Full Article (HTML) (22683) | Figures (1-2) (2379) | Full Article (PDF)-1922K (1067) | Peer-Review Report-100K (408) | Answering Reviewers-69K (367) | Received: 06/26/2015 | Revised: 07/31/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (60) | Total Visits (37519) | Similar Articles (254) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1371) | Core Tip (1347) | Full Article (HTML) (5635) | Tables (1-3) (539) | Full Article (PDF)-1114K (787) | Peer-Review Report-95K (275) | Answering Reviewers-84K (280) | Received: 04/28/2015 | Revised: 07/11/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (25) | Total Visits (15093) | Similar Articles (142) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1963) | Core Tip (1804) | Full Article (HTML) (18027) | Figures (1-3) (4201) | Tables (1-4) (493) | Full Article (PDF)-1313K (1370) | Peer-Review Report-122K (347) | Answering Reviewers-141K (329) | Received: 04/28/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (57) | Total Visits (34409) | Similar Articles (410) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1644) | Core Tip (1506) | Full Article (HTML) (17813) | Tables (1-2) (500) | Full Article (PDF)-1208K (1925) | Peer-Review Report-128K (432) | Answering Reviewers-118K (351) | Received: 04/28/2015 | Revised: 07/23/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (267) | Total Visits (31430) | Similar Articles (926) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1571) | Core Tip (1504) | Full Article (HTML) (6274) | Figures (1-1) (570) | Tables (1-1) (545) | Full Article (PDF)-1119K (705) | Peer-Review Report-79K (349) | Answering Reviewers-239K (265) | Received: 05/08/2015 | Revised: 08/08/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (16971) | Similar Articles (48) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1779) | Core Tip (1494) | Full Article (HTML) (18489) | Figures (1-2) (503) | Tables (1-2) (488) | Full Article (PDF)-1166K (2187) | Peer-Review Report-82K (318) | Answering Reviewers-10K (365) | Received: 06/16/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (110) | Total Visits (32754) | Similar Articles (226) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1620) | Core Tip (1560) | Full Article (HTML) (5319) | Figures (1-2) (513) | Tables (1-4) (505) | Full Article (PDF)-1290K (582) | Peer-Review Report-218K (297) | Answering Reviewers-366K (331) | Received: 06/02/2015 | Revised: 07/14/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (16772) | Similar Articles (1197) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1442) | Core Tip (1279) | Full Article (HTML) (7077) | Tables (1-3) (607) | Full Article (PDF)-1094K (744) | Peer-Review Report-79K (316) | Answering Reviewers-172K (315) | Received: 04/28/2015 | Revised: 08/14/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (34) | Total Visits (16374) | 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 (1557) | Core Tip (1394) | Full Article (HTML) (7645) | Tables (1-4) (576) | Full Article (PDF)-1226K (948) | Peer-Review Report-92K (312) | Answering Reviewers-63K (302) | Received: 05/09/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (18844) | Similar Articles (1251) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1499) | Core Tip (1550) | Full Article (HTML) (8293) | Figures (1-3) (582) | Tables (1-1) (506) | Full Article (PDF)-1241K (1005) | Peer-Review Report-93K (342) | Answering Reviewers-358K (369) | Received: 05/21/2015 | Revised: 07/16/2015 | Accepted: 09/22/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (47) | Total Visits (20261) | Similar Articles (332) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1213) | Core Tip (1309) | Full Article (HTML) (8080) | Figures (1-1) (515) | Full Article (PDF)-944K (754) | Peer-Review Report-91K (258) | Answering Reviewers-247K (364) | Received: 04/27/2015 | Revised: 07/11/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (122) | Total Visits (17831) | Similar Articles (1391) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1499) | Core Tip (1497) | Full Article (HTML) (12627) | Figures (1-1) (554) | Tables (1-1) (501) | Full Article (PDF)-935K (1017) | Peer-Review Report-79K (289) | Answering Reviewers-144K (356) | Received: 04/27/2015 | Revised: 08/12/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (151) | Total Visits (22755) | Similar Articles (1204) | Timeline of Article Publication (2) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1481) | Core Tip (1492) | Full Article (HTML) (15060) | Figures (1-2) (1340) | Full Article (PDF)-1185K (1336) | Peer-Review Report-87K (307) | Answering Reviewers-132K (372) | Received: 04/27/2015 | Revised: 07/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (26698) | Similar Articles (628) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1307) | Core Tip (1217) | Full Article (HTML) (4925) | Tables (1-5) (555) | Full Article (PDF)-942K (655) | Peer-Review Report-80K (276) | Answering Reviewers-96K (209) | Received: 04/21/2015 | Revised: 07/21/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (33) | Total Visits (13418) | Similar Articles (248) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1408) | Core Tip (1447) | Full Article (HTML) (11939) | Figures (1-1) (498) | Tables (1-5) (508) | Full Article (PDF)-2155K (913) | Peer-Review Report-170K (337) | Answering Reviewers-443K (415) | Received: 05/28/2015 | Revised: 07/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (72) | Total Visits (23222) | Similar Articles (1046) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1385) | Core Tip (1427) | Full Article (HTML) (5198) | Figures (1-2) (497) | Tables (1-1) (518) | Full Article (PDF)-1096K (767) | Peer-Review Report-79K (232) | Answering Reviewers-96K (258) | Received: 04/27/2015 | Revised: 07/07/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (14457) | Similar Articles (1048) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1413) | Core Tip (1345) | Full Article (HTML) (8445) | Figures (1-2) (554) | Full Article (PDF)-1507K (890) | Peer-Review Report-99K (390) | Answering Reviewers-176K (357) | Received: 04/28/2015 | Revised: 06/25/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (49) | Total Visits (18778) | Similar Articles (1046) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1438) | Core Tip (1451) | Full Article (HTML) (15326) | Tables (1-3) (578) | Full Article (PDF)-995K (1235) | Peer-Review Report-81K (323) | Answering Reviewers-295K (325) | Received: 04/19/2015 | Revised: 06/20/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (235) | Total Visits (28341) | Similar Articles (1046) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1232) | Core Tip (1332) | Full Article (HTML) (7633) | Figures (1-2) (654) | Tables (1-3) (483) | Full Article (PDF)-1589K (783) | Peer-Review Report-101K (279) | Answering Reviewers-197K (305) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (18697) | Similar Articles (207) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1510) | Core Tip (1263) | Full Article (HTML) (5980) | Tables (1-3) (498) | Full Article (PDF)-1040K (644) | Peer-Review Report-95K (294) | Answering Reviewers-64K (241) | Received: 05/18/2015 | Revised: 08/06/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (37) | Total Visits (15786) | Similar Articles (420) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1481) | Core Tip (1262) | Full Article (HTML) (11858) | Figures (1-1) (532) | Tables (1-4) (549) | Full Article (PDF)-1052K (1627) | Peer-Review Report-94K (334) | Answering Reviewers-142K (322) | Received: 04/28/2015 | Revised: 08/06/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (170) | Total Visits (23769) | Similar Articles (76) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1468) | Core Tip (1475) | Full Article (HTML) (12136) | Figures (1-1) (738) | Tables (1-1) (438) | Full Article (PDF)-1262K (1074) | Peer-Review Report-108K (346) | Answering Reviewers-203K (327) | Received: 04/16/2015 | Revised: 06/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (23621) | Similar Articles (190) | Timeline of Article Publication (3) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1484) | Core Tip (1745) | Full Article (HTML) (12982) | Tables (1-2) (453) | Full Article (PDF)-948K (921) | Peer-Review Report-91K (341) | Answering Reviewers-166K (385) | Received: 06/27/2015 | Revised: 09/02/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (64) | Total Visits (23146) | Similar Articles (142) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1325) | Core Tip (1280) | Full Article (HTML) (5994) | Figures (1-8) (574) | Tables (1-3) (455) | Full Article (PDF)-2831K (841) | Peer-Review Report-97K (267) | Answering Reviewers-83K (405) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (46) | Total Visits (17115) | Similar Articles (132) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1253) | Core Tip (1296) | Full Article (HTML) (7200) | Figures (1-8) (770) | Tables (1-1) (477) | Full Article (PDF)-1599K (926) | Peer-Review Report-106K (287) | Answering Reviewers-364K (263) | Received: 04/28/2015 | Revised: 06/24/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (18) | Total Visits (18202) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1429) | Core Tip (1350) | Full Article (HTML) (10021) | Figures (1-4) (754) | Tables (1-1) (472) | Full Article (PDF)-1123K (897) | Peer-Review Report-95K (262) | Answering Reviewers-82K (246) | Received: 02/09/2015 | Revised: 06/09/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (39) | Total Visits (22465) | Similar Articles (1051) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1544) | Core Tip (1485) | Full Article (HTML) (10567) | Figures (1-2) (538) | Tables (1-2) (483) | Full Article (PDF)-1429K (1076) | Peer-Review Report-94K (323) | Answering Reviewers-115K (819) | Received: 06/10/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (44) | Total Visits (21848) | Similar Articles (1856) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1375) | Core Tip (1296) | Full Article (HTML) (5094) | Figures (1-1) (465) | Tables (1-4) (542) | Full Article (PDF)-980K (701) | Peer-Review Report-113K (225) | Answering Reviewers-177K (272) | Received: 03/26/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (50) | Total Visits (14917) | Similar Articles (220) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open