1. 1Department of Medical Microbiology, NHS Tayside, Dundee, UK
2. 2Directorate of Public Health, NHS Tayside, Dundee, UK
3. 3Department of Infectious Diseases, NHS Tayside, Dundee, UK
4. 4Travel and International Health Team, Health Protection Scotland, UK
5. 5Scottish Parasite Diagnostic and Reference Laboratory (SPDRL), NHS Greater Glasgow and Clyde, UK