[1] STATE UNIV GRONINGEN,DEPT HUMAN GENET,ANTONIUS DEUSINGLAAN 4,9713 AW GRONINGEN,NETHERLANDS
[2] STATE UNIV GRONINGEN,DEPT PATHOL,9713 AW GRONINGEN,NETHERLANDS
[3] STATE UNIV GRONINGEN,DEPT SURG ONCOL,9713 AW GRONINGEN,NETHERLANDS
[4] STATE UNIV GRONINGEN,DEPT PAEDIAT,DIV HAEMATOL & ONCOL,9713 AW GRONINGEN,NETHERLANDS
[5] MED FAC OPORTO,DEPT MED GENET,OPORTO,PORTUGAL