1. Department of Internal Medicine and Clinical Immunology, Groupe Hospitalier Sud Ile de France, 77000 Melun, France
2. Infectious Disease Department, Nord Franche-Comté Hospital, 90400 Trevenans, France
3. Department of Diagnostic Imaging, Groupe Hospitalier Sud Ile de France, 77000 Melun, France
4. Department of Cardiology, Groupe Hospitalier Sud Ile de France, 77000 Melun, France
5. Department of Internal Medicine and Clinical Immunology, University Hospital of Lille, 59037 Lille, France
6. National Reference Center for Hypereosinophilic Syndromes, University Hospital of Lille, 59037 Lille, France