1. Department of Rheumatology, Santa Chiara Hospital, Trento, Italy
2. Department of Cellular, Computational and Integrative Biology-CIBIO, University of Trento, Trento, Italy
3. INSERM UMR1227, Lymphocytes B et Autoimmunité, Université de Bretagne Occidentale, CHU de Brest, Brest, France
4. Department of Internal Medicine, Hôpital Foch, National Referral Center for Hypereosinophilic Syndrome (CEREO), Suresnes, France