1. Department of Clinical & Experimental Medicine, University of Surrey, Guildford, Surrey, UK
2. School of Public Health & Community Medicine, UNSW Medicine Australia, Ingham Institute of Applied Medical Research, NSW, Australia
3. Geisinger Holy Spirit, Camp Hill, PA, USA
4. Telfer School of Management, University of Ottawa, Ottawa, Ontario, Canada
5. Centre for Studies in Family Medicine, Department of Family Medicine, Interfaculty Program in Public Health, Department of Epidemiology & Biostatistics, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada