Lie Tanu Merijanti
Department of Occupational Medicine, Faculty of Medicine, Universitas Trisakti, Jakarta
Indonesia

Nany Hairunisa
Department of Occupational Medicine, Faculty of Medicine, Universitas Trisakti, Jakarta
Indonesia

Alvin Muhamad Ridwan
Department of Occupational Medicine, Faculty of Medicine, Universitas Trisakti, Jakarta, Indonesia
Indonesia

Pusparini Pusparini
Department of Clinical Pathology, Faculty of Medicine, Universitas Trisakti, Jakarta
Indonesia

Meiyanti Meiyanti
Department of Pharmacology and Pharmacy, Faculty of Medicine, Universitas Trisakti, Jakarta
Indonesia

Muljadi Tjahjadi
Central Agency for Industrial Human Resources, Ministry of Industry of the Republic of Indonesia
Indonesia

Marzuki bin Isahak
Department of Social and Preventive Medicine, Faculty of Medicine, Universiti Malaya
Malaysia