1. Department of DPT, Shaheed Zulfiqar Ali Bhutto Medical University (SZABMU), Islamabad 44000, Pakistan
2. Sustainable Energy Technologies Center, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia
3. King Salman Center for Disability Research, Riyadh 11614, Saudi Arabia
4. Department of Statistics and Operations Research, College of Science, King Saud University, Riyadh 11451, Saudi Arabia