1. Department of Physiotherapy, School of Rehabilitation, The University of Jordan, Amman 11942, Jordan
2. Orelena Hawks Puckett Institute, Asheville, NC 28730, USA
3. Department of Rehabilitation Sciences, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan
4. Ministry of Health, Amman 11118, Jordan
5. Department of Public Health, Community Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan