1. IMSB (Institute of Computational Biology and Medical Statistics) University at Cologne Cologne50924 Germany
2. Clinical Research International Limited Mühlenberg 64 Hamburg22587 Germany
3. Istituto di Discipline Otorinolarinogologiche Universita degli Studi Siena53100 Italy
4. Department of Medicine and Science of Ageing G. d'Annunzio University Chieti‐Pescara Chieti66100 Italy
5. Institute for Clinical Immunotherapy and Advanced Biological Treatments Pescara65100 Italy