1. Obesity Research Center, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia
2. Center of Excellence for Research in Engineering Materials (CEREM), Deanship of Scientific Research (DSR), King Saudi University, Riyadh 11421, Saudi Arabia
3. Department of Medicine, College of Medicine, King Saud University, P.O. Box 2925, Riyadh 11461, Saudi Arabia