R. Carbajal — CNRD, Hôpital d’enfants Armand Trousseau, Paris
R. Lenclen, M. Jugie, A. Paupe — Hôpital, Poissy Saint Germain
B.A. Barton — Maryland Medical Research Institute, Baltimore
K.J.S. Anand — Aekansas Children’s Hospital, Little Rock AR
