1 Department of Surgery and Cancer, Imperial College London, London W12 0NN, UK; Global Coalition for Radiotherapy, Geneva, Switzerland. Electronic address: p.price@imperial.ac.uk.
2 Institute of Cancer Policy (Global Oncology Group) and Conflict and Health Research Group, King's College London, London, UK.
3 Department of Abdominal Tumors, National Cancer Institute, Kyiv, Ukraine.
4 Medical Physics Department, Spizhenko Clinic, Kyiv, Ukraine; Ukrainian Association of Medical Physicists, Kyiv, Ukraine.