[1] UNIV MAINZ,DEPT PATHOL,D-6500 MAINZ,FED REP GER
[2] UNIV MAINZ,DEPT NEURORADIOL,D-6500 MAINZ,FED REP GER
[3] UNIV MAINZ,DEPT PEDIAT,D-6500 MAINZ,FED REP GER
[4] PSYCHIAT HOSP EICHBERG,ELTVILLE,FED REP GER
[5] PSYCHIAT & NEUROL HOSP ALZEY,ALZEY,FED REP GER
[6] HOECHST AG,DEPT BIOCHEM,D-6230 FRANKFURT 80,FED REP GER