1. Centre for Public Health, Queen’s University Belfast, Belfast, Northern Ireland
2. Cancer Prevention and Control Program, Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina, USA
3. Connecting Health Innovations LLC (CHI), Columbia, South Carolina, USA
4. Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
5. Veterans Affairs Tennessee Valley Geriatric Research, Education and Clinical Center, Nashville, Tennessee, USA
6. Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, USA