Social Determinants of Health Research Center, Qazvin University of Medical Sciences, Qazvin, Iran. Children Growth Research Center, Qazvin University of Medical Sciences, Qazvin, Iran. Electronic address: mjavadi@qums.ac.ir. Department of Rehabilitation Sciences, Faculty of Health and Social Sciences, Hong Kong Polytechnic University, Hung Hom, Hong Kong. International Gaming Research Unit, Psychology Department, Nottingham Trent University, Nottingham, United Kingdom. Department of Nursing, School of Health and Welfare, Jönköping University, Jönköping, Sweden. Social Determinants of Health Research Center, Qazvin University of Medical Sciences, Qazvin, Iran; Department of Nursing, School of Health and Welfare, Jönköping University, Jönköping, Sweden. Electronic address: amir.pakpour@gmail.com.