Kim Kristensen, DMSc, Sven Bonato, MD, Morten Breindahl, MD, Birgitte Esberg, MD, Stense Farholt, MD, PhD, Hans Ole Madsen, MSc, Else Marie Olsen, MD, Kenneth Petersen, MD, Grete Teilmann, MD, Peter Garred, DMSc
Paediatric Clinic 2, National University Hospital Rigshospitalet, University Hospital Hvidovre, Copenhagen, Paediatric Department, County Hospital, Roskilde, Paediatric Department, County Hospital, Hillerød, Paediatric Department, University Hospital, Skejby, Paediatric Department, County Hospital, Holbæk, Tissue Typing Laboratory, National University Hospital, Rigshospitalet, Copenhagen, Paediatric Department, County Hospital, Næstved, Denmark