(1) Faculty of Public Health, Universitas Sriwijaya, Indonesia ,

(2) Faculty of Public Health, Universitas Sriwijaya, Indonesia ,

(3) Faculty of Public Health, Universitas Sriwijaya, Indonesia ,

(4) Faculty of Public Health, Universitas Sriwijaya, Indonesia

(1) Faculty of Public Health, Universitas Sriwijaya, Indonesia ,

(2) Environmental Health Engineering and Disease Control Center, Palembang, Indonesia