1. Department of Dermatology; Memorial Sloan Kettering Cancer Center; New York New York
2. Philadelphia College of Osteopathic Medicine; Suwanee Georgia
3. Department of Pediatrics; Memorial Sloan Kettering Cancer Center; New York New York USA
4. Department of Dermatology; Institut Claudius Regaud; Institut Universitaire Cancer Toulouse-oncopole; Toulouse France
5. Unit; é; de Dermatologie Pédiatrique; Hôpital Pellegrin-enfants; Place Amélie Raba-Léon; Bordeaux Cedex France