Atmakusuma, T.D., Division of Hematology-Medical Oncology, Department of Internal Medicine, Faculty of Medicine, Universitas Indonesia-Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Kalwani, R., Department of Internal Medicine, Pantai Indah Kapuk Hospital, Jakarta, Indonesia; Nasution, S.A., Division of Cardiology, Department of Internal Medicine, Faculty of Medicine, Universitas Indonesia-Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia; Rumende, C.M., Division of Respirology and Critical Care, Department of Internal Medicine, Faculty of Medicine, Universitas Indonesia-Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia