1. Department of Food Science and Nutrition, College of Agriculture and Marine Sciences, P.O. Box 34, Sultan Qaboos University, Al-Khoud, 123 Muscat, Oman
2. Ageing and Dementia Research Group, Sultan Qaboos University, 123 Muscat, Oman
3. College of Medicine and Health Sciences, Sultan Qaboos University, 123 Muscat, Oman
4. Oman Assistant Pharmacy Institute, Directorate General of Education and Training, Ministry of Health, P.O. Box 1928, 114 Muttrah, Oman