Skin and Allergy Hospital, Helsinki University Central Hospital, Helsinki, P.O.Box 160, Finland
Helsinki University Central Hospital, Department of Neurology, Helsinki, Finland
Turku University Central Hospital, Turku, Finland
Rheumatism Foundation Hospital, Heinola, Finland
Tampere University Hospital, Tampere, Finland
University of Helsinki, Helsinki, Finland
Department of Obstet and Gyn, Helsinki University Hospital, Helsinki, Uusimaa, Finland
University of Helsinki, Department of Medicine, Helsinki, Finland
Department of Vascular Surgery, Helsinki University Central Hospital, Helsinki, Finland
Helsinki University Central Hospital, Helsinki, Finland
Skin- and Allergy Hospital, Department of Dermatology, Helsinki, Finland
Department of Medicine, Div. of Internal Medicine, Helsinki Univ. Central Hospital (HUCH), Helsinki, Finland