1. Department of Internal Medicine, Gerontology and Geriatrics Section, Leiden University Medical Center, Leiden, The Netherlands
2. Department of Neurology, Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
3. School of Medicine and Medical Science, University College Dublin, Dublin, Ireland
4. Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
5. Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
6. The Robertson Centre for Biostatistics, University of Glasgow, Glasgow, UK
7. Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands