1. Division of Pediatric Cardiology and Congenital Heart Disease, Department of Cardiology and Vascular Medicine, National Cardiovascular Centre Harapan Kita, Universitas Indonesia , Letjen S. Parman St No.Kav. 87, Slipi, Palmerah, West Jakarta City, 11420 Jakarta , Indonesia
2. Division of Non-invasive Diagnostic and Cardiovascular Imaging, Department of Cardiology and Vascular Medicine, National Cardiovascular Centre Harapan Kita, Universitas Indonesia , Letjen S. Parman St No.Kav. 87, Slipi, Palmerah, West Jakarta City, 11420 Jakarta , Indonesia
3. Department of Cardiology and Vascular Medicine, Sultan Sulaiman Government Hospital , Serdang Bedagai, Negara 58 No. 315, Firdaus, Sei Rampah, Serdang Bedagai City, 20995 North Sumatera , Indonesia