1 Sussex Health Outcomes Research & Education in Cancer (SHORE-C), Brighton & Sussex Medical School, University of Sussex, Brighton BN1 9RX, UK. Electronic address: l.j.fallowfield@sussex.ac.uk.
2 Department of Surgery, Oncology and Gastroenterology, University of Padova, Istituto Oncologico Veneto IRCCS, Padova, Italy.
3 Medical Oncology Clinic, Antakya State Hospital, Hatay, Turkey.
4 Sussex Health Outcomes Research & Education in Cancer (SHORE-C), Brighton & Sussex Medical School, University of Sussex, Brighton BN1 9RX, UK.