Conducting research in Radiation Oncology remotely during the COVID-19 pandemic: Coping with isolation.

•49% of 543 survey participants worked full-time from home during the COVID-19 pandemic.•Perceived productivity was lower, with associated feelings of guilt.•Anxiety and depressive symptoms were higher than normative values in Europe.•Anxiety symptoms were negatively correlated with the number of years in research.•Mental health symptoms were lower in participants with institutional health support.