1. Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
2. National University Health System, Singapore, Singapore
3. Department of Neurology, National Neuroscience Institute, Singapore, Singapore
4. Department of Neurology, Singapore General Hospital, Singapore, Singapore
5. Oslomet -Oslo Metropolitan University, Oslo, Norway
6. Chalmers University of Technology, Gothenburg, Sweden
7. University of Oulu, Oulu, Finland