[1] UNIV CATHOLIQUE LOUVAIN,CLIN UNIV MONT GODINNE,DEPT RADIOL,B-5180 YVOIR,BELGIUM
[2] UNIV CATHOLIQUE LOUVAIN,CLIN UNIV MONT GODINNE,DEPT CARDIOL,B-5180 YVOIR,BELGIUM
[3] UNIV CATHOLIQUE LOUVAIN,CLIN UNIV MONT GODINNE,DEPT CARDIOVASC & THORAC SURG,B-5180 YVOIR,BELGIUM