Characteristics of pain and comorbidities in geriatric subjects in Indonesia: a hospital-based national clinical survey oleh Thomas Eko Purwata, Dessy Rachmawati Emril, Yudiyanta, Pinzon Rizaldy, Henny Anggraini Sadeli, Suroto, Putu Eka Widyadharma, Susi Aulina, Audry Devisanty Wuysang, Isti Suharjanti, Shahdevi Nandar Kurniawan, Widodo Mardi Santosa, Endang Mutia, Bambang Sutrisno, Yetty Hambarsari, Octaviani, Henry Sugiharto, Theresia Runtuwene, Sekplin AS Sekeon, Wisnu Nalendratama, Agus Permadi