1. MitoVasc Institute UMR CNRS 6015/INSERM 1083 49100 Angers France
2. PXE Reference Centre (MAGEC Nord) University Hospital of Angers Angers France
3. University of Rennes CHU Rennes INSERM CIC1414 Vascular Medicine Unit Rennes France
4. PXE Vascular Consultation Centre CHU Rennes 35000 Rennes France
5. Vascular Medicine Unit Redon Hospital 35600 Redon France
6. Münster University Children's Hospital Münster Germany
7. Centre for Medical Genetics Ghent University Hospital Ghent Belgium
8. Department of Paediatrics APHP Robert Debré Hospital Paris France
9. Department of Pathology Saint‐Louis Hospital Paris France
10. Department of Physiology and Vascular Investigation Nice University Hospital Nice France