1. Diabetic Foot Center, Center Diabetes & Endocrinology, KFSH, Buraidha Al-Qassim, Saudi Arabia
2. Faculty of Medicine, University of Cyberjay, Selangor, Malaysia
3. OD Science University (MSU), Shahalam, Malaysia
4. Dandee University, Nethergate, Dundee, UK
5. Department of Physiology, Oxford University, UK
6. Diabetes and Endocrinology Center, Buraidha Al-Qassim, Saudi Arabia
7. Dr Edrees Specialized Medical Center, Jeddah, Saudi Arabia