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 International Public Health; Norwegian Institute of Public Health; Oslo Norway
4. Department of Preventive Medicine; International Kazakh-Turkish University; Turkestan Kazakhstan
5. North-Eastern Federal University; Yakutsk Russia
6. Department of Internal Medicine and Clinical Nutrition; Institute of Medicine; Sahlgrenska Academy at University of Gothenburg; Gothenburg Sweden
7. Department of Biomedicine and Public Health; School of Health and Education; University of Skövde; Skövde Sweden
8. Department of Biochemistry and Biomedical Sciences; McMaster University; Hamilton ON Canada
9. Department of Public Health; Faculty of Health Sciences; University of Pretoria; Pretoria South Africa