1. Amgen (Europe) GmbH, Zug, Switzerland;
2. Pilsen Faculty Hospital, Clinic of Oncology and Radiotherapy (FN v Plzni), Pilsen, Czech Republic;
3. Amgen s.r.o., Prague, Czech Republic;
4. Oaks Consulting, Prague, Czech Republic;
5. Amgen Inc., Thousand Oaks, CA, USA