[1] UNIV LONDON UNIV COLL,MRC,HUMAN BIOCHEM GENET UNIT,GALTON LAB,LONDON NW1 2HE,ENGLAND
[2] PRINCESS ANNE HOSP,DEPT CHILD HLTH,CRC GENET EPIDEMIOL RES GRP,SOUTHAMPTON SO9 4HA,ENGLAND
[3] WASHINGTON UNIV,SCH MED,DEPT GENET,ST LOUIS,MO 63110
[4] S AFRICAN INST MED RES,SCH PATHOL,DEPT HUMAN GENET,MRC,HUMAN ECOGENET RES UNIT,JOHANNESBURG 2000,SOUTH AFRICA
[5] UNIV WITWATERSRAND,JOHANNESBURG 2001,SOUTH AFRICA
[6] UNIV IOWA,DEPT PEDIAT,IOWA CITY,IA 52242
[7] YALE UNIV,SCH MED,DEPT HUMAN GENET,NEW HAVEN,CT 06510
[8] VANDERBILT UNIV,MED CTR,DEPT PEDIAT,NASHVILLE,TN 37232
[9] UNIV CONNECTICUT,CTR HLTH,DEPT PEDIAT,MOLEC GENET LAB,FARMINGTON,CT 06032
[10] UNIV STELLENBOSCH,STELLENBOSCH 7600,SOUTH AFRICA
[11] AARHUS UNIV,BARTOLIN BYGNINGEN,INST HUMAN GENET,DK-8000 AARHUS,DENMARK
[12] CTR ETUD BOUCHET,F-91710 VERT LE PETIT,FRANCE
[13] MARSHFIELD MED RES FDN,MARSHFIELD,WI 54449
[14] NCI,BIOCHEM LAB,BETHESDA,MD 20892
[15] UNIV UTAH,HOWARD HUGHES MED INST,SALT LAKE CITY,UT 84132
[16] UNIV LONDON UNIV COLL,DEPT GENET & BIOMETRY,GALTON LAB,LONDON NW1 2HE,ENGLAND