[1] UNIV KENTUCKY,MED CTR,THRI,LEXINGTON,KY 40546
[2] UNIV KENTUCKY,MED CTR,DEPT SURG,DIV GEN SURG,LEXINGTON,KY 40546
[3] UNIV KENTUCKY,MED CTR,STROKE RES PROGRAM,LEXINGTON,KY 40546
[4] BEIJING MED UNIV,HOSP 3,INST VASC MED,BEIJING 100083,PEOPLES R CHINA