1. Department of Allergy and Immunology, IIS‐Fundación Jiménez Díaz Universidad Autónoma de Madrid (UAM) Madrid Spain
2. Department of Immunology Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS‐Princesa), UAM Madrid Spain
3. Allergy Department Hospital Infantil Universitario Niño Jesús, Fundación Hospital Niño Jesús (HNJ), IIS‐Princesa Madrid Spain
4. Department of Pediatric Onco‐Hematology and Cell and Gene Therapy, Bambino Gesù Children's Hospital Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Rome Italy
5. Molecular Oncology laboratory Hospital Clínico San Carlos, IdISSC Madrid Spain
6. Faculty of Medicine and Biomedicine Universidad Alfonso X el Sabio (UAX), Villanueva de la Cañada Madrid Spain