1. Department of Otorhinolaryngology, Head and Neck Surgery; Semmelweis University; Budapest Hungary
2. Department of Molecular Immunology and Toxicology; National Institute of Oncology; Budapest Hungary
3. Department of Pediatrics; Petz Aladár Hospital; Győr Hungary
4. Department of Oncology; Szent Margit Hospital; Budapest Hungary
5. Department of Medical Oncology and Clinical Pharmacology “C”; National Institute of Oncology; Budapest Hungary