Affiliation: | (1) Department of Obstetrics and Gynecology, Karolinska Institute, Danderyd Hospital, 182 88 Danderyd, Sweden;(2) Department of Clinical Immunology, Huddinge University Hospital and Department of Immunobiology, Karolinska Institute, Stockholm, Sweden;(3) Department for Blood Group Serology, The Swedish Government Laboratory for Forensic Chemistry, University Hospital, Linköping, Sweden |