Vienna Challenge Chamber, Vienna, Austria
City Hospital #7, Moscow, Russian Federation
Sverdlovsk Regional Hospital #1, Ekaterinburg, Russian Federation
Research Institute of Pulmonology, Moscow, Russian Federation
Swiss EoE Research Group, Olten, Switzerland
King's College London School of Medicine, London, United Kingdom
Medicines Evaluation Unit, Manchester, United Kingdom
Simbec Research Ltd, Merthyr Tydfil, United Kingdom
Research site, Kiev, Ukraine
Allergie Zentrum Wien West, Vienna Challenge Chamber, Vienna, Austria