1. West of Scotland Specialist Virology Centre, Level 5, New Lister Building, 10-16 Alexandra Parade, Glasgow G31 2ER, UK
2. Infectious Diseases Unit, Queen Elizabeth University Hospital, 1345 Govan Road, Glasgow, G51 4TF, UK
3. MRC-University of Glasgow Centre for Virus Research, Stoker Building, 464 Bearsden Road, Glasgow G61 1QH, UK