From Aker Hospital, Oslo, Norway (T.R.P.); Linköping University Hospital, Sweden (A.G.O.); Århus Hospital, Denmark (O.F.); Rikshospitalet, University of Oslo, Norway (J.K., B.C.); Sahlgrenska University Hospital, Göteborg, Sweden (H.W., L.W.); Institute of Medical Genetics, University of Oslo, Norway (K.B.); Odense Hospital, Denmark (T.H.); Landspitalinn University Hospital, Reykjavik, Iceland (G.T.); Kuopio University Hospital, Finland (K.P., T.M.); and Merck Research Laboratories, Rahway, NJ (J... (1998-04-21時点)