1. Nephrology and Hypertension Division, Department of Internal Medicine, Faculty of Medicine Universitas Brawijaya – Saiful Anwar General Hospital, Malang, Indonesia
2. Rheumatology Division, Department of Internal Medicine, Faculty of Medicine Universitas Brawijaya – Saiful Anwar General Hospital, Malang, Indonesia
3. Department of Clinical Pathology, Faculty of Medicine Universitas Brawijaya – Saiful Anwar General Hospital, Malang, Indonesia
4. Department of Microbiology, Faculty of Medicine Universitas Brawijaya – Saiful Anwar General Hospital, Malang, Indonesia