[1] UNIV BONN,INST HUMAN GENET,D-5300 BONN 1,FED REP GER
[2] MED ACAD ERFURT,HAUTKRANKHEITEN KLIN,DDR-5060 ERFURT,GER DEM REP
[3] POLIKLIN LEINEFELDE,HAUT ABT,DDR-5600 LEINEFELDE,GER DEM REP
[4] UNIV GLASGOW,DUNCAN GUTHRIE INST MED GENET,GLASGOW G3 8SJ,SCOTLAND
[5] AARHUS UNIV,INST HUMAN GENET,DK-8000 AARHUS C,DENMARK