1. Continuing Education Master's Program in Advanced Rhinology and Anterior Skull Base, Universidad Internacional de Andalucía, Sevilla, Spain
2. Scientific Expert Team, European Forum for Research and Education in Allergy and Airway Diseases (EUFOREA), Brussels, Belgium
3. Rhinology and Anterior Skull Base Department, Hospital Universitario Virgen Macarena, Sevilla, Spain
4. Department of Otorhinolaryngology, Hospital Quirónsalud Marbella, Marbella, Málaga, Spain