1. Department of Psychiatry and Psychotherapy, University Medical Center Freiburg, Germany
2. University Psychiatric Clinics (UPK), Basel, Switzerland
3. Human and Animal Health Unit, Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
4. University of Basel, Switzerland
5. IEMT Switzerland, Institute for Interdisciplinary Research on the Human-Animal Relationship, c/o Swiss TPH, Basel, Switzerland