[1] CLINIQUES ST ELOI,SERV CARDIOL,F-34000 MONTPELLIER,FRANCE
[2] CTR HOSP BICETRE,F-94270 KREMLIN BICETRE,FRANCE
[3] INST MED CHIRURG ANDERLECHT,DEPT CARDIOL,SERV MED INTERNE,B-1070 BRUXELLES,BELGIUM
[4] UNIV LIEGE,INST MED,DEPT CLINIQUE & PATHOL,B-4020 LIEGE,BELGIUM
[5] UNIV LIEGE,INST MED,DEPT CLINIQUE & SEMEIOL MED,B-4020 LIEGE,BELGIUM
[6] UNIV GENT,DIENST INWENDIGE ZIEKTEN,AFDELING CARDIOL,B-9000 GENT,BELGIUM
[7] HOP BICHAT,SERV CARDIOL,F-75018 PARIS,FRANCE