1. Institute of Pathology and Medical Genetics, University Hospital Basel, Basel
2. Translational Immunology, Department of Biomedicine, University of Basel, Basel
3. Department of Dermatology, University Hospital Zurich, Zurich
4. Clinic of Radiology and Nuclear Medicine, University Hospital Basel, University of Basel, Basel
5. Immunodeficiency Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
6. Linda Crnic Institute for Down Syndrome, University of Colorado School of Medicine, Aurora, CO, USA
7. Department of Dermatology, University Hospital Basel, Basel
8. Department of Rheumatology, University Hospital Basel, Basel
9. Clinical Immunology, Medical Outpatient Clinic, University Hospital Basel, Basel, Switzerland