[1] KAPLAN HOSP,IL-76100 REHOVOT,ISRAEL
[2] UNIV GENEVA,HOP CANTONAL,CH-1211 GENEVA 4,SWITZERLAND
[3] BARNKLINIKEN,BERGEN,NORWAY
[4] HOP ROBERT DEBRE,PARIS,FRANCE
[5] SOPHIA CHILDRENS UNIV HOSP,ROTTERDAM,NETHERLANDS
[6] UNIV NAPLES,I-80138 NAPLES,ITALY
[7] VRIJE UNIV BRUSSELS,ACAD ZIEKENHUIS,B-1050 BRUSSELS,BELGIUM
[8] HOP ST VINCENT DE PAUL,PARIS,FRANCE
[9] CATHOLIC UNIV LEUVEN,ZIEKENHUIS GASTHUISBERG,B-3000 LOUVAIN,BELGIUM
[10] CHRU,LILLE,FRANCE
[11] ACAD ZIEKENHUIS GRONINGEN,GRONINGEN,NETHERLANDS
[12] CTR PEDIAT,MONTEVIDEO,URUGUAY
[13] FREE UNIV AMSTERDAM,1007 MC AMSTERDAM,NETHERLANDS
[14] UNIV MUNICH,KINDERPOLIKLIN,W-8000 MUNICH 2,GERMANY
[15] INST CHILD HLTH,LONDON WC1N 1EH,ENGLAND
[16] HOP NECKER ENFANTS MALAD,F-75730 PARIS 15,FRANCE
[17] ST JAMES UNIV HOSP,LEEDS LS9 7TF,W YORKSHIRE,ENGLAND
[18] UNIV AUTONOMA MADRID,MADRID 34,SPAIN
[19] SPEDALI CIVIL BRESCIA,BRESCIA,ITALY
[20] ROYAL HOSP ST MICHAELS HILL,BRISTOL,ENGLAND
[21] ST RADBOUD ACAD ZIEKENHUIS,NIJMEGEN,NETHERLANDS