1. Department of Dermatology, Charité – University Medicine Berlin, Germany
2. Department of Dermatology, State Hospital Klagenfurt, Klagenfurt am Wörthersee, Austria
3. Professor for Hygiene and Environmental Medicine, Institute of Hygiene and Environmental Medicine, University Medicine, Greifswald, Germany
4. Institute for Skin Integrity and Infection Prevention, School of Human and Health Sciences, University of Huddersfield, United Kingdom