1. Assistant Professor, Social Determinants of Health Research Center, Qazvin University of Medical Sciences, Qazvin, Iran
2. Professor, Department of Geriatrics Nursing, School of Nursing and Midwifery, Iran University of Medical Sciences, Tehran, Iran
3. Professor, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
4. Assistant Professor, UCSF Division of Hospital Medicine, University of California, San Francisco, USA