1. Cardiac Rehabilitation Research Center; Isfahan University of Medical Sciences; Isfahan Iran
2. Saw Swee Hock School of Public Health; National University of Singapore; Singapore
3. Isfahan Cardiovascular Research Center; Cardiovascular Research Institute; Isfahan University of Medical Sciences; Isfahan Iran
4. Yong Loo Lin School of Medicine; National University of Singapore; Singapore
5. Department of Neurology; Tehran University of Medical Sciences; Tehran Iran