Hoffmann TM, Acar Şahin A, Aggelidis X, Arasi S, Barbalace A, Bourgoin A, Bregu B, Brighetti MA, Caeiro E, Caglayan Sozmen S, et al. "Whole" vs. "Fragmented" approach to EAACI Pollen Season Definitions: A Multicenter Study in Six Southern European Cities. Allergy 2020. 2020;75(7):1659-1671.