[1] UNIV GLASGOW, DEPT MED ONCOL, CRC, BEATSON LABS, GLASGOW G61 1BD, LANARK, SCOTLAND
[2] UNIV CAPE TOWN, SCH MED, DEPT HUMAN GENET, CAPE TOWN 7925, SOUTH AFRICA
[3] IMPERIAL CANC RES FUND, LONDON WC2A 3PX, ENGLAND
[4] UNIV TEXAS, SW MED CTR, DEPT PEDIAT, DALLAS, TX 75235 USA
[5] CASE WESTERN RESERVE UNIV, SCH MED, DEPT GENET, CLEVELAND, OH 44106 USA
[6] PENN STATE UNIV, DEPT BIOL, UNIVERSITY PK, PA 16802 USA
[7] UNIV OXFORD, DEPT BIOCHEM, GENET LAB, OXFORD OX1 3QU, ENGLAND
[8] UNIV CALIF SAN FRANCISCO, DEPT PSYCHIAT, NEUROGENET LAB, SAN FRANCISCO, CA 94143 USA
[9] UNIV CALIF SAN FRANCISCO, DEPT PSYCHIAT, CTR NEUROBIOL & PSYCHIAT, SAN FRANCISCO, CA 94143 USA
[10] UNIV CALIF SAN FRANCISCO, GENET PROGRAM, SAN FRANCISCO, CA 94143 USA
[11] UNIV CALIF SAN FRANCISCO, PROGRAM BIOMED SCI, SAN FRANCISCO, CA 94143 USA
[12] UNIV MICHIGAN, SCH MED, DEPT HUMAN GENET, ANN ARBOR, MI 48109 USA
[13] MCGILL UNIV, MONTREAL CHILDRENS HOSP, RES INST, MONTREAL, PQ H3H 1P3, CANADA
[14] UNIV OXFORD, JOHN RADCLIFFE HOSP, INST MOLEC MED, HEADINGTON OX3 9DU, OXON, ENGLAND