1. Division Radiation Oncology, GenesisCare Radiation OncologySt Vincent’s Hospital, Melbourne, Australia
2. Department of MedicineThe University of Melbourne, Parkville, Australia
3. Department of Clinical Oncology, Li Ka Shing Faculty of MedicineThe University of Hong Kong, Hong Kong, China
4. Clinical Oncology CentreThe University of Hong Kong-Shenzhen Hospital, Shenzhen, China
5. Department of Radiation Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY
6. University Center for Geriatric MedicineUniversity Medical Center Groningen, University of Groningen, Groningen, The Netherlands
7. Department of Medical OncologyUniversity Medical Center Groningen, University of Groningen, Groningen, The Netherlands