1. Department of Internal Medicine, Hematology-Medical Oncology Division, Faculty of Medicine Universitas Indonesia, Cipto Mangunkusumo General Hospital, Jakarta, Indonesia
2. Department of Anatomical Pathology, Faculty of Medicine Universitas Indonesia, Cipto Mangunkusumo General Hospital, Jakarta, Indonesia
3. Department of Internal Medicine, Faculty of Medicine Universitas Tarumanagara, Cipto Mangunkusumo General Hospital, Jakarta, Indonesia,