Radiography Department;
Singapore General Hospital;
Singapore 169608;
Singapore;
Center of Radiation Research and Medical Imaging;
Department of Radiologic Technology;
Faculty of Associated Medical Sciences;
Chiang Mai University;
Chiang Mai 50000;
Thailand;
Faculty of Health and Social Sciences;
Western Norway University of Applied Sciences;
Bergen Postbox 7030;
5020 Bergen;
Norway;
Department of Health and Social Sciences;
Singapore Institute of Technology;
Singapore 138683;
Singapore;
COVID-19; Medical imaging service; Pandemic; Optimization strategies; Radiology department; Radiography;