Affiliation: | 1. Reference Centre for PXE, Angers University Hospital, 49933 Angers, France;2. Department of Rheumatology, Angers University Hospital, 49933 Angers, France;3. Department of Dermatology, Angers University Hospital, 49933 Angers, France;4. Department of Paediatrics, Münster University Hospital, 48149 Münster, Germany;5. Department of Vascular Medicine, Angers University Hospital, 49933 Angers, France |