[1] Univ Islam Indonesia, Fac Med, Dept Internal Med, Yogyakarta, Indonesia
[2] Univ Islam Indonesia Hosp, Dept Cardiol, Bantul, Indonesia
[3] Panembahan Senopati Hosp, Yogyakarta, Indonesia
[4] Univ Islam Indonesia, Fac Med, Dept Anesthesiol & Intens Care, Yogyakarta, Indonesia