1. Department of Physiotherapy, School of Biomedical and Allied Health Sciences, University of Ghana, Accra, Ghana
2. Department of Physiotherapy, The Trust Hospital, Accra, Ghana
3. Department of Biological Environmental and Occupational Health Sciences, School of Public Health, University of Ghana, Accra, Ghana
4. Department of Rehabilitation Science and Technology, and Department of Industrial Engineering, University of Pittsburgh, Pittsburgh, PA, USA
5. Center for Ergonomics, Department of Industrial and Operations Engineering, University of Michigan, Ann Arbor, MI, USA