1. Departments of Medical Biochemistry and Biophysics (P.R., L.L., C.R., Y.S., M.R., K.L.), SE-901 87, Umeå, Sweden
2. Clinical Science/Obstetrics and Gynecology (P.L., U.O.), SE-901 87, Umeå, Sweden
3. Radiation Sciences (K.B.), SE-901 87, Umeå, Sweden
4. Medical Biosciences (E.L.), Umeå University, SE-901 87, Umeå, Sweden