1. Division of Medicine, University Hospital Llandough, Penarth, UK
2. Division of Medicine, Pontifical Catholic University of Minas Gerais, Minas Gerais, Brazil
3. Division of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
4. Division of Medicine, Faculdade Israelita de Ciências da Saúde Albert Einstein, Sao Paulo, Brazil
5. Division of Medicine, Pernambuco School of Health, Pernambuco, Brazil
6. Dermatology Division, Mount Sinai Hospital, New York, NY, USA
7. Dermatology Division, La Paz Hospital, Madrid, Spain