1 Allergy Service, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Gregorio Marañón Health Research Institute (IiGSM), Madrid, Spain. Electronic address: jimena.crespo@salud.madrid.org.
2 Allergy Service, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Gregorio Marañón Health Research Institute (IiGSM), Madrid, Spain.
3 Gregorio Marañón Health Research Institute (IiGSM), Madrid, Spain; Clinical Microbiology and Infectious Diseases Service, Hospital General Universitario Gregorio Marañón, Madrid, Spain.