Doctor Stéphane MITROVIC is a Medical Doctor, Rheumatologist, and holds a Master 2 of Immunology. Besides his clinical activites as a rheumatologist inside the Department of Medicine of Institut Mutualiste Montsouris, Paris, France, he is also very involved in research and teaching activities in the field of inflammatory diseases. He is attached to the Reference Centre for Adult Onset Still's Disease in the Rheumatology Department at the Pitié-Salêtrière Teaching Hospital, Paris, France, where he is working to better characterise this rare disease through the development of the RADICO-ACOSTILL cohort, under the supervision of Professor Bruno FAUTREL, and in collaboration with the FAI²R (rare autoimmune and auto-inflammatory diseases network, https://www. fai2r.org/les-pathologies-rares/maladie-de-still-de-ladulte) and the CEREMAIA (reference centre for auto-inflammatory diseases and inflammatory amyloidosis).