1. Department of Basic Medical Sciences, College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Jeddah 21423, Saudi Arabia
2. Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama 930‑0194, Japan
3. Graduate School of Medicine, Henan Polytechnic University, Jiaozuo, Henan 454000, P.R. China