1. Department of Internal Medicine II Feldkirch Academic Teaching Hospital FeldkirchAustria
2. Private University of the Principality of Liechtenstein Triesen Principality of Liechtenstein
3. Department of Internal Medicine I Feldkirch Academic Teaching Hospital FeldkirchAustria
4. Department of Medical Statistics, Informatics and Health Economics Innsbruck Medical University InnsbruckAustria
5. Medical Central Laboratories Feldkirch Austria
6. University of Zurich ZurichSwitzerland
7. Onkozentrum Zürich Swiss Tumor Immunology Institute Zurich Switzerland