1. Geriatric Care Research Center, Department of Midwifery, School of Medicine, North Khorasan University of Medical
Sciences, Bojnurd, Iran
2. Clinical Research Development Unit, Imam Hassan Hospital, North Khorasan University
of Medical Sciences, Bojnurd, Iran
3. Natural Products and Medicinal Plants Research Center, North Khorasan University
of Medical Sciences, Bojnurd, Iran
4. Department of Community Medicine, North Khorasan University of Medical
Sciences, Bojnurd, Iran
5. Addiction and Behavioral Sciences Research Center, North Khorasan University of Medical
Sciences, Bojnurd, Iran
6. Student Research Committee, Geriatric Care Research Center, School of Nursing, North
Khorasan University of Medical Sciences, Bojnurd, Iran
7. Natural Products and Medicinal Plants Research Center,
North Khorasan University of Medical Sciences, Bojnurd, Iran