Changes to airborne pollen counts across Europe. oleh Chiara Ziello, Tim H Sparks, Nicole Estrella, Jordina Belmonte, Karl C Bergmann, Edith Bucher, Maria Antonia Brighetti, Athanasios Damialis, Athanasios Damialis, Monique Detandt, Carmen Galán, Regula Gehrig, Lukasz Grewling, Adela M Gutiérrez Bustillo, Margrét Hallsdóttir, Marie-Claire Kockhans-Bieda, Concepción De Linares, Dorota Myszkowska, Anna Pàldy, Adriana Sánchez, Matthew Smith, Michel Thibaudon, Alessandro Travaglini, Agnieszka Uruska, Rosa M Valencia-Barrera, Despoina Vokou, Reinhard Wachter, Letty A de Weger, Annette Menzel