Ariane A., Internal Medicine Department, Rheumatology Division, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Laksmi P.W., Internal Medicine Department, Geriatric Division, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Setiati S., Internal Medicine Department, Geriatric Division, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Hidayat R., Internal Medicine Department, Rheumatology Division, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Kusumo-Wibowo S.A., Internal Medicine Department, Rheumatology Division, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Sumariyono, Internal Medicine Department, Rheumatology Division, Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Mahri F., Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Tanadi C., St. Carolus Hospital, Jakarta, Indonesia; Beaudart C., Department of Biomedical Sciences, Namur Research Institute for Life Sciences (NARILIS), Faculty of Medicine, University of Namur, Namur, Belgium