Correspondence
Melinda Erdős or László Maródi, Primary Immunodeficiency Clinical Unit and Laboratory, Department of Dermatology, Venereology and Dermatooncology, Semmelweis University, Budapest, Hungary
Email: Erdos.Melinda@med.semmelweis-univ.hu
or
Marodi.Laszlo@ med.semmelweis-univ.hu