1. Department of Cardiology, Ziaeian Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
2. Neurology Geriatric Department, Ziaeian Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
3. Echocardiography Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
4. Department of Geriatric Medicine, Ziaeian Hospital, Tehran University of Medical Sciences, Tehran, Iran