[1] HOP NECKER ENFANTS MALAD, BIOCHIM GENET LAB, CNRS, URA 1335, F-75743 PARIS 15, FRANCE
[2] CTR HOSP CHAMBERY, CHAMBERY, FRANCE
[3] DIAGNOST GENET CTR, GR-11128 ATHENS, GREECE
[4] HOP LA TIMONE, INSERM, U242, F-13385 MARSEILLE, FRANCE
[5] UNIV COLORADO, HLTH SCI CTR, DENVER, CO 80262 USA