pandemic(1) database(1) Algorithm(1) regimen(1) article(1) Treatment(1) hospital(1) Radiotherapy(1) Healthcare system(1) help(1) tumour(1) protocol(1) Brain(1) Patient(1) English language(1) healthcare facility(1) coronavirus disease(1) outcome(1) management(1) Safe(1) material(1) COVID-19(1) COVID-19 pandemic(1) guidelines(1) Care(1) Brain tumors(1) reducing(1)