1. Department of Pediatric Medicine; Dermatology Service; KK Women's & Children's Hospital; 100 Bukit Timah Road Singapore 229899
2. Department of Pediatric Dermatology; National Centre for Rare Skin Disorders; Hôpital Pellegrin-Enfants; CHU de Bordeaux; Bordeaux France
3. Department of Hematology; Singapore General Hospital; Singapore
4. Pierre Fabre Dermatologie; Lavaur France