Lubis, A.C., Binawaluya Cardiac Center, Jakarta, Indonesia, Faculty of Medicine, Universitas Sumatera Utara, Sumatera Utara, Indonesia; Iqbal, M., Binawaluya Cardiac Center, Jakarta, Indonesia; Munawar, D.A., Binawaluya Cardiac Center, Jakarta, Indonesia, Department of Cardiology and Vascular Medicine, Medical Faculty, Universitas Indonesia, Jakarta, Indonesia; Hartono, B., Binawaluya Cardiac Center, Jakarta, Indonesia; Munawar, M., Binawaluya Cardiac Center, Jakarta, Indonesia, Department of Cardiology and Vascular Medicine, Medical Faculty, Universitas Indonesia, Jakarta, Indonesia