Harahap A.T., Department of Internal Medicine, Pertamina Central Hospital, 12120, Jakarta, Indonesia; Irawan C., Hematology and Medical Oncology Division, Department of Internal Medicine, Faculty of Medicine, University of Indonesia, 10430, Jakarta, Indonesia; Susilo A., Tropical and Infectious Diseases Division, Department of Internal Medicine, Faculty of Medicine, University of Indonesia, 10430, Jakarta, Indonesia; Harimurti K., Department of Internal Medicine, Faculty of Medicine, University of Indonesia, 10430, Jakarta, Indonesia; Gathmyr D., Department of Internal Medicine, Faculty of Medicine, University of Indonesia, 10430, Jakarta, Indonesia; Shatri H., Department of Internal Medicine, Faculty of Medicine, University of Indonesia, 10430, Jakarta, Indonesia; Lubis A.M., Hematology and Medical Oncology Division, Department of Internal Medicine, Faculty of Medicine, University of Indonesia, 10430, Jakarta, Indonesia; Nainggolan L., Department of Internal Medicine, Faculty of Medicine, University of Indonesia, 10430, Jakarta, Indonesia; Abdullah M., Department of Internal Medicine, Faculty of Medicine, University of Indonesia, 10430, Jakarta, Indonesia