Dick Oepkes
Dept. of Obstetrics
Leiden University Medical Center
Holland
E-mail: D.Oepkes@lumc.nl

Prof H Kanhai
Department of Obstetrics
Leiden University Medical Center
Holland
E-mail:H.H.H.Kanhai@lumc.nl

Professor A Husebekk
Department of Immunology and Transfusion Medicine
University Hospital of Northern Norway, Tromsö, Norway
E-mail:anne.husebekk@unn.no

R Kekomaki
Finnish Red Cross Blood Transfusion Service Finland
E-mail: riita.kekomaki@veripalvelu.fi

Professor M Westgren
Center of Fetal Medicine
Karolinska University Hospital
Stockholm, Sweden
E-mail:magnus.westgren@klinvet.ki.se

A Wikman
Department of Laboratory Medicine
Karolinska University Hospital
Stockholm, Sweden
E-mail:agneta.wikman@karolinska.se