Cavedon Carlo (AIFM), Trauernicht Christoph (Tygerberg Hospital and Stellenbosch University), Kukolowicz Pawel Franciszek (EFOMP), Christos Moustakis, (Stereotactic Radiotherapy of the German Radiation Oncology and Medical Physics Societies), Blanck Oliver (Stereotactic Radiotherapy of the German Radiation Oncology and Medical Physics Societies), Padovani Renato (ICTP), HAMMOUD Rabih Wafiq (MEFOMP), Local Organiser: Marco Esposito (ICTP)