Dhandi Wijaya Postgraduate Program, Magister of Public Health Science, Universitas Kader Bangsa, Palembang; dhandiwijaya@gmail.com (corresponding author) Indonesia
Misnaniarti Misnaniarti Faculty of Public Health, Universitas Sriwijaya, Palembang Indonesia
Rico Januar Sitorus Department of Epidemiology, Faculty of Public Health, Uniersitas Sriwijaya, Palembang Indonesia