1. Department of Paediatrics Centre for Primary Immunodeficiencies Jessenius Faculty of Medicine of Comenius University in Bratislava University Hospital in Martin Martin Slovakia
2. Department of Neonatology Jessenius Faculty of Medicine of Comenius University in Bratislava University Hospital in Martin Martin Slovakia
3. Department of Dermatovenerology Jessenius Faculty of Medicine of Comenius University in Bratislava University Hospital in Martin Martin Slovakia
4. Neonatologic and Pediatrics' Ward Hospital of Kysuce Cadca Slovakia