Conflict of interest
Dr. Matricardi reports grants and personal fees from Euroimmun AG, during the conduct of the study; grants and personal fees from Thermo Fisher Scientific, personal fees from Hycor Biomedical Inc, outside the submitted work.  Salvatore Tripodi is cofounder of TPS Production. All other Authors declare no conflicts of interest.
Funding sources
SA was supported by the EAACI Fellowship Award of the European Academy of Allergology and Clinical Immunology. The ESEP assay has been provided by Euroimmun; the reagents for skin tests have been provided by ALK-Abellò. The Informatics Platform “AllergyCARD” and the APP “AllergyMonitor” have been provided by TPS Production. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.