1. Medical Photobiology Group, Department of Internal Medicine, Charité-University Medicine Berlin, Berlin, Germany;
2. Physical Optics Consultant Office, Wetzlar, Germany;
3. Department of Farm Animals, Division of Swine Medicine, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland;
4. Section of Anaesthesiology, Equine Department, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland;
5. Department of Medical Parasitology and Infection Biology, Molecular Immunology Unit, Swiss Tropical and Public Health Institute, Basel, Switzerland;
6. Department of Radiation Oncology, University Medical Center, Freiburg i. Breisgau, Germany