1. School of Medicine and Public Health, Faculty of Health and Medicine University of Newcastle Newcastle New South Wales Australia
2. Foundation President, International Society for Systems and Complexity Sciences for Health Waitsfield Vermont
3. General Practice Research Unit, Department of Public Health and Nursing Norwegian University of Science and Technology Trondheim Norway
4. Department of Family Medicine & Community Health, Epidemiology & Biostatistics, Oncology and Sociology, Center for Community Health Integration Case Western Reserve University Cleveland Ohio USA
5. Department of Family and Community Medicine, Dalla Lana School of Public Health University of Toronto Toronto Ontario Canada
6. Department of Primary Care and Multimorbidity, Usher Institute, College of Medicine and Veterinary Medicine University of Edinburgh Edinburgh UK