1. Caspian International School of Medicine, Caspian University, 521 Seifullin Street, Almaty 050000, Kazakhstan
2. Unit for Health Promotion Research, University of Southern Denmark, Degnevej 14, Esbjerg 6700, Denmark
3. Olomouc University Social Health Institute OUSHI, Palacky University Olomouc, Katerinska 653/17, 77900 Olomouc, Czech Republic
4. AlmaU School of Health Sciences, Almaty Management University, 227 Rozybakiev Street, 050060 Almaty, Kazakhstan