[1] UNIV YORK, DEPT PSYCHOL, YORK YO1 5DD, N YORKSHIRE, ENGLAND
[2] SUNY DOWNSTATE MED CTR, DEPT PSYCHIAT, BROOKLYN, NY 11203 USA
[3] CLIN RES CTR, DIV PSYCHIAT, HARROW HA1 3UJ, MIDDX, ENGLAND
[4] CHARING CROSS HOSP, SCH MED, DEPT PSYCHIAT, LONDON W6 8RP, ENGLAND
[5] MENNINGER FDN, DEPT RES, TOPEKA, KS 66601 USA
[6] UNIV TUBINGEN, NERVEN KLIN, D-7400 TUBINGEN 1, FED REP GER
[7] NIMH, PSYCHOL & PSYCHOPATHOL LAB, BETHESDA, MD 20014 USA