1. Department of Cardiology and Vascular Medicine, Faculty of Medicine, Muhammadiyah University of Prof. Dr. Hamka, Tangerang, Banten Province, Indonesia
2. Department of Cardiology and Vascular Medicine, Siloam Diagram Heart Hospital, Depok, West Java, Indonesia
3. General Medicine, Faculty of Medicine, Tarumanagara University, West Jakarta, Jakarta, Indonesia