Rajabto W., Division of Hematology-Medical Oncology, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Singh G., Division of Respirology and Critical Care, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Mulyadi C.K., Departement of Internal Medicine, Fatmawati Hospital, Jakarta, Indonesia; Chandika V., Residency program in Department of Internal Medicine, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Pyrhadistya M., Division of Hematology-Medical Oncology, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia