1. Centre for Population Health Sciences, University of Edinburgh, Edinburgh, UK; Scottish Mycobacteria Reference Laboratory, Royal Infirmary of Edinburgh, Edinburgh, UK
2. Centre for Population Health Sciences, University of Edinburgh, Edinburgh, UK
3. Centre for Population Health Sciences, University of Edinburgh, Edinburgh, UK; Public Health Department, Lothian Health Board, Edinburgh, UK
4. Health Protection Scotland, Glasgow, UK
5. Scottish Mycobacteria Reference Laboratory, Royal Infirmary of Edinburgh, Edinburgh, UK