1. Department of Oncology Section of Radiotherapy Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
2. Department of Ophthalmology Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
3. Leeds Institute of Medical Research at St James’s, University of Leeds Leeds Cancer Centre University of LeedsSt James’s University Hospital Leeds UK
4. Leeds Cancer Centre St James’s University Hospital Leeds UK
5. The Alfred Hospital Alfred Health Radiation Oncology Melbourne Victoria Australia
6. The Peter MacCallum Cancer Centre Melbourne Victoria Australia