[1] DKFZ, W-5900 HEIDELBERG, GERMANY
[2] UNIV GENEVA, SCH MED, CH-1211 GENEVA, SWITZERLAND
[3] MENTAL HLTH RES INST, ANN ARBOR, MI 48109 USA
[4] UNIV PITTSBURGH, DEPT HUMAN GENET, PITTSBURGH, PA 15261 USA
[5] DEPT GENOME ANAL, LONDON WC2A EPX, ENGLAND
[6] SAITAMA CANC RES INST, DEPT IMMUNOL & VIROL, INA, SAITAMA 362, JAPAN
[7] ELEANOR ROOSEVELT INST CANC RES, DENVER, CO 80206 USA
[8] JOHN F KENNEDY INST, DK-2600 GLOSTRUP, DENMARK
[9] JOHNS HOPKINS UNIV, SCH MED, DEPT PHYSIOL, BALTIMORE, MD 21205 USA
[10] BORN BUNJE FDN, DEPT BIOCHEM, NEUROGENET LAB, B-2610 ANTWERP, BELGIUM
[11] JOHNS HOPKINS UNIV, SCH MED, CTR MED GENET, BALTIMORE, MD 21205 USA