1. Department of Radiation Oncology, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
2. Department of Medicine, McMaster University, Hamilton, Ontario, Canada
3. St Michael College, Toronto, Ontario, Canada
4. Upper Canada College, Toronto, Ontario, Canada
5. Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, USA
6. Bottomley Consulting Group, Brussels, Belgium
7. Department of Radiation Oncology, National University Cancer Institute, National University Hospital, Singapore
8. Department of Oncology, Princess Margaret Hospital, Kowloon West Cluster, Hong Kong, SAR, China