Affiliation: | 1. Photobiology Unit, NHS Tayside, Ninewells Hospital, Dundee, U.K.;2. The Scottish Photodynamic Therapy Centre, Dundee, U.K.;3. University of Dundee, Dundee, U.K.;4. Correspondence;5. Paul O'Mahoney.;6. E‐mail:;7. Public Health England, Didcot, U.K.;8. Salisbury NHS Foundation Trust, Salisbury, U.K. |