COVID-19 pandemic: Practical considerations on the organization of an allergy clinic - an EAACI/ARIA Position Paper. - Pfaar Ο,; Klimek L,; M, Jutel,; Akdis CA; Bousquet J; Breiteneder H,; Chinthrajah S,; Diamant Z,; Eiwegger T,; Fokkens WJ; Fritsch HW,; Nadeau KC,; et al. (Allergy, 2020)