1 University Hospital of Tours, Department of Dermatology, Unit of Pediatric Dermatology, Center of Reference of Cutaneous Vascular Malformations (MAGEC), Tours, France.
2 University Hospital of Angers, Department of Pharmacy, Angers, France.
3 University Hospital of Angers, Department of Infectious and Tropical Diseases, Angers, France.
4 University Hospital of Angers, Department of Dermatology, Angers, France.