[1] Univ Gadjah Mada, Dr Sardjito Hosp, Yogyakarta Fac Med Publ Hlth & Nursing, Dept Cardiol & Vasc Med, Yogyakarta, Indonesia
[2] Univ Gadjah Mada, Fac Med Publ Hlth & Nursing, Dept Histol & Cell Biol, Biobank Unit, Yogyakarta, Indonesia
[3] Univ Gadjah Mada, Fac Med Publ Hlth & Nursing, Dept Hlth Behav Environm & Social Med, Yogyakarta, Indonesia