Affiliation: | Tampere University Hospital, Consultation-Liaison Unit (R.A.), Tampere University (K.S.), Tampere, Finland, Pharmacia AB Diagnostics (P.S.), Uppsala. Sweden, Oulu University (P.T.), Oulu, Finland, Free University (F.J.H.), Amsterdam, The Netherlands, Alberts Ludwigs University (T.H.), Freibutg, Germany, Universip of Oslo (U.F.M.), Oslo, Norway, and Universip of Zaragoza (A.L.), Zaragoza, Spain. |