Susanto, A.D., Department of Pulmonology and Respiratory Medicine, Faculty of Medicine, Universitas Indonesia/Persahabatan Hospital, Jl. Persahabatan Raya No.1, Jakarta, 13230, Indonesia; Winardi, W., Department of Pulmonology and Respiratory Medicine, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia; Hidayat, M., Department of Pulmonology and Respiratory Medicine, Faculty of Medicine, Universitas Mataram, Mataram, Indonesia; Wirawan, A., Department of Pulmonology and Respiratory Medicine, Faculty of Medicine, Universitas Indonesia/Persahabatan Hospital, Jakarta, Indonesia