1. Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer; Barcelona Spain
2. Hospital Sant Joan de Déu; Esplugues Spain
3. Hospital Universitario La Fe; Valencia Spain
4. Hospital Universitario La Paz; Madrid Spain
5. Baylor Institute for Immunological Research; Dallas Texas
6. Novartis Pharma AG; Basel Switzerland
7. Baylor Institute for Immunological Research and Texas Scottish Rite Hospital for Children; Dallas Texas