aDepartment of Physics and Nuclear Medicine, Consultant Physician in Nuclear Medicine, Sandwell and West Birmingham NHS Trust, Birmingham

bHead of Nuclear Medicine Physics, Royal Stoke University Hospital, University Hospitals of North Midlands NHS Trust, Staffordshire

cMedical Physics and Clinical Engineering, Nottingham University Hospitals NHS Trust, Nottingham, UK

Received 14 December 2022 Accepted 28 March 2023.

Correspondence to Alp Notghi, Department of Physics and Nuclear Medicine, Consultant Physician in Nuclear Medicine, Sandwell and West Birmingham NHS Trust, City Hospital, Dudley Road, Birmingham B18 7QH, UK, E-mail: [email protected]