Leksmana O.I., Occupational Medicine Specialist Program, Faculty of Medicine, Universitas Indonesia, Indonesia; Adi N.P., Occupational Medicine Specialist Program, Faculty of Medicine, Universitas Indonesia, Indonesia, Departement of Community Medicine, Faculty of Medicine, Universitas Indonesia, Indonesia, Department of Occupational Health Practice and Management, Institute of Industrial Ecological Sciences, University of Occupational and Environment Health, Japan; Werdhani R.A., Occupational Medicine Specialist Program, Faculty of Medicine, Universitas Indonesia, Indonesia, Departement of Community Medicine, Faculty of Medicine, Universitas Indonesia, Indonesia; Mansyur M., Occupational Medicine Specialist Program, Faculty of Medicine, Universitas Indonesia, Indonesia, Departement of Community Medicine, Faculty of Medicine, Universitas Indonesia, Indonesia