1. Department of Physiotherapy, School of Rehabilitation Sciences, The University of Jordan, Amman, Jordan;
2. Department of Physical Therapy and Rehabilitation Sciences, Drexel University, Philadelphia, PA, USA;
3. Graduate Institute of Early Intervention, College of Medicine, Chang Gung University, Taoyuan, Taiwan, ROC;
4. Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Taoyuan, Taiwan, ROC