1. Division of Infectious Diseases and Hospital Epidemiology, University Children’s Hospital Zurich, Zurich, Switzerland
2. Division of Pediatric Dermatology, University Children’s Hospital Zurich, Zurich, Switzerland
3. Dermatology Department, University Hospital Zurich, Zurich, Switzerland
4. Division of Infectious Diseases, Children's Hospital Lucerne, Lucerne, Switzerland
5. Emergency Department, University Children’s Hospital Zurich, Zurich, Switzerland