1. Department of Pediatrics Feldkirch Academic Teaching Hospital Landeskrankenhaus Feldkirch Feldkirch Austria
2. Vorarlberg Institute for Vascular Investigation and Treatment (VIVIT Feldkirch Austria
3. Private University in the Principality of Liechtenstein (UFL) Triesen Principality of Liechtenstein
4. Department of Psychiatry and Psychotherapy Medical University of Innsbruck Innsbruck Austria