[1] RUHR UNIV BOCHUM,ARBEITSGRP HUMANCYCTOGENET & KLIN GENET,D-4630 BOCHUM,FED REP GER
[2] CENT WISCONSIN CTR DEV DISABLED,MADISON,WI
[3] ELISABETH HOSP,KINDERKLIN,RHEYDT,FED REP GER
[4] UNIV CALIF IRVINE,ORANGE CTY MED CTR,DEPT PEDIAT,DIV CLIN GENET & DEV DISABILITIES,ORANGE,CA 92668
[5] UNIV GOTTINGEN,DEPT HUMAN GENET,D-3400 GOTTINGEN,FED REP GER
[6] UNIV WISCONSIN,DEPT PATHOL,MADISON,WI 53706
[7] RHEIN WESTFAL TH AACHEN,FAK MED,D-5100 AACHEN,FED REP GER
[8] MILWAUKEE CHILDRENS HOSP,MILWAUKEE,WI 53233
[9] UNIV WISCONSIN,STATE LAB HYG,MADISON,WI 53706
[10] INDIANA UNIV,SCH MED,DEPT MED GENET,BLOOMINGTON,IN 47401
[11] UNIV GOTTINGEN,KINDERKLIN,D-3400 GOTTINGEN,FED REP GER
[12] SHODAIR CHILDRENS HOSP,HELENA,MT
[13] UNIV PORTO,FAC MED,SERV PATOL GERAL,PORTO,PORTUGAL