1. Allergy Diagnostic and Clinical Research Unit; Department of Medicine; University of Cape Town; Cape Town; South Africa
2. Fundación CIDEA; Buenos Aires; Argentina
3. Parow Research; Cape Town; South Africa
4. BAZ Megyei Kórház Gyermekegészségügyi Központ; Miskolc; Hungary
5. Szent Erzsébet Kórház Non-profit Közhasznú Kft.; Jászberény; Hungary
6. Centro de Alergia; Mar del Plata; Argentina
7. Hospital General Universitario de Elche; Elche; Alicante; Spain
8. Clinical Development & Medical Advice; J. Uriach & Co.; Barcelona; Spain
9. Alergia Infantil; Hospital Materno Infantil La Fe; Valencia; Spain