[1] HOP HENRI MONDOR, INSERM, U91, UNITE RECH ANEMIES, F-94010 CRETEIL, FRANCE
[2] HOP HENRI MONDOR, BIOCHIM LAB, F-94010 CRETEIL, FRANCE
[3] MATERN PORT ROYAL, F-75014 PARIS, FRANCE
[4] UNIV LONDON KINGS COLL HOSP, SCH MED, DEPT OBSTET & GYNAECOL, LONDON SE5 8RX, ENGLAND
[5] UNIV LONDON KINGS COLL HOSP, SCH MED, DEPT HAEMATOL, LONDON SE5 8RX, ENGLAND