1. Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Indonesia, Harapan Kita National Cardiovascular Center, Jakarta, Indonesia
2. Department of Cardiology and Vascular Medicine, Faculty of Medicine, Airlangga University, Soetomo Hospital, Surabaya, Indonesia
3. Department of Cardiology and Vascular Medicine, Faculty of Medicine, Udayana University, Sanglah Hospital, Denpasar, Indonesia
4. Department of Cardiology and Vascular Medicine, Darmo Hospital, Surabaya, Indonesia
5. Department of Cardiology and Vascular Medicine, Faculty of Medicine, Diponegoro Univesity, Kariadi Hospital, Semarang, Indonesia