1 Cardiff University, Cardiff, United Kingdom; All Wales Therapeutics and Toxicology Centre, Cardiff and Vale University Health Board, Llandough, Penlan Road, Cardiff CF64 2XX, United Kingdom. Electronic address: coulsonjm@cardiff.ac.uk.
2 National Antiviral Service, Cardiff and Vale University Health Board, United Kingdom.
3 All Wales Therapeutics and Toxicology Centre, Cardiff and Vale University Health Board, Llandough, Penlan Road, Cardiff CF64 2XX, United Kingdom.
4 Chief Pharmaceutical Officer for Wales, Health and Social Services Group, Welsh Government, United Kingdom.