1. Department of Dermatology, Academic Medical Center; University of Amsterdam; The Netherlands
2. Department of Immunobiology; Yale University School of Medicine; New Haven; CT; USA
3. Laboratory of Molecular and Cellular Therapy; Department of Physiology and Immunology; Medical School of Vrije Universiteit Brussel (VUB); Brussels; Belgium
4. Department of Immunohematology; Leiden University Medical Center; Leiden; The Netherlands