From the *Paediatric Allergy Unit, Hospital General Universitario Gregorio Marañón, Madrid, Spain
the †Gregorio Marañón Health Research Institute (IiSGM), Madrid, Spain
the ‡Allergy Service, Hospital General Universitario Gregorio Marañón, Madrid, Spain
the §Biomedical Research Network on Rare Diseases (CIBERER)-U761, Madrid, Spain.
Received November 1, 2021; accepted August 5, 2022.
The authors report no conflicts of interest.
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Address correspondence and reprint requests to Cristina Morales-Cabeza, MD, Allergy Department, Hospital General Universitario Gregorio Marañón, 46th Dr Esquerdo Street, 28007 Madrid, Spain (e-mail: [email protected]; [email protected]).