Soemarko D.S., Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Indonesia, Occupational and Environmental Health Research Centre IMERI, Faculty of Medicine, Universitas Indonesia, Indonesia; Jahja F.E., Occupational Medicine Specialist Programme, Faculty of Medicine, Universitas Indonesia, Indonesia; Adi N.P., Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Indonesia, Occupational and Environmental Health Research Centre IMERI, Faculty of Medicine, Universitas Indonesia, Indonesia; Anestherita F., Physical Medicine and Rehabilitation Department, Faculty of Medicine, Universitas Indonesia, Indonesia; Fitriani D.Y., Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Indonesia, Occupational and Environmental Health Research Centre IMERI, Faculty of Medicine, Universitas Indonesia, Indonesia