1. Department of Dermatology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
2. Dermatology Research and Education Foundation, Irvine, CA, USA
3. SKiN Centre for Dermatology and Department of Medicine, Queen’s University, Peterborough, Ontario, Canada
4. Biostatistics, Immunology, Janssen Research & Development, LLC, Spring House, PA, USA
5. Clinical Research, Janssen Research & Development, LLC, Spring House, PA, USA
6. Florida Academic Dermatology Centers, Coral Gables, FL, USA