Affiliation: | a Department of Pathology, University Hospital of Oulu, Oulu, Finland b Department of Obstetrics and Gynecology, University Hospital of Oulu, Oulu, Finland c Division of Mathematics, Department of Electrical Engineering, University of Oulu, Oulu, Finland d Department of Obstetrics and Gynecology, Länsi-Pohja Central Hospital, Kemi, Finland e Department of Pathology, Länsi-Pohja Central Hospital, Kemi, Finland |