Development of the EAACI% season definition a backup for a global application. Issue 4 (3rd February 2022) - Bastl, Maximilian; Berger, Markus; Bastl, Katharina; Dirr, Lukas; Zwingers, Thomas; Bergmann, Karl‐Christian; Pfaar, Oliver; Bruffaerts, Nicolas; Magyar, Donát; Majkowska‐Wojciechowska, Barbara; Mitrović Josipović, Mirjana; Rybníček, Ondřej; et al.