1. Department of Cardiology; Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Trust; Sheffield S10 2JF United Kingdom
2. Centre for Diabetes and Endocrinology, Barnsley District General Hospital, Barnsley District General Hospital NHS Trust; Barnsley S57 5RT United Kingdom
3. Faculty of Health and Wellbeing; Sheffield Hallam University, Collegiate Crescent; Sheffield S10 2BD United Kingdom