1. Department of Community Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
2. International School of Public Health, Northern State Medical University, Arkhangelsk, Russia
3. Department of Preventive Medicine, International Kazakh-Turkish University, Turkestan, Kazakhstan
4. Department of International Public Health, Norwegian Institute of Public Health, Oslo, Norway
5. Department of Public Health, Hygiene and Bioethics, Institute of Medicine, North-Eastern Federal University, Yakutsk, Russia
6. Department of Biomedicine and Public Health, School of Health and Education, University of Skövde, Skövde, Sweden
7. Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
8. Department of Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa