1. Immunoallergology Department Hospital de Santa Maria Centro Hospitalar Universitário de Lisboa Norte (CHLN), EPE Lisbon Portugal
2. Immunoallergology Department Hospital de S. João EPE Centro Hospitalar de São João (CHSJ) Porto Portugal
3. Pediatrics Department Hospital de S. João EPE Centro Hospitalar de São João (CHSJ) Porto Portugal
4. Immunoallergology Department Centro Hospitalar de Vila Nova de Gaia/Espinho (CHVNGE) Vila Nova de Gaia Portugal
5. Immunoallergology Department Centro Hospitalar e Universitário de Coimbra (CHUC) Coimbra Portugal
6. Faculty of Medicine University of Coimbra Coimbra Portugal