1. Department of Dermatology, Amsterdam UMC, Location Academic Medical Center, University of Amsterdam, Amsterdam Public Health Research Institute, Amsterdam Institute for Infection and Immunity, Amsterdam, The Netherlands
2. Sanquin Diagnostic Services, Amsterdam, The Netherlands
3. St John’s Institute of Dermatology, School of Basic and Medical Biosciences, King’s College London, London, UK
4. St John’s Institute of Dermatology, Guy’s and St Thomas’ NHS Foundation Trust, London, UK
5. Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands