1. Medical University Vienna, Spitalgasse 23, A-1090 Vienna, Austria
2. Clinic for Neurosurgery, Sozialstiftung Bamberg, Buger Straße 80, D-96049 Bamberg, Germany
3. Department of Business Decisions and Analytics, Faculty of Business, Economics, and Statistics, University of Vienna, Oskar-Morgen-Stern-Platz 1, A-1090 Vienna, Austria
4. SimPlan Optimizations e. U., Ilse-Arlt-Straße 12/161, A-1220 Vienna, Austria