1. Sau Po Centre on Ageing, The University of Hong Kong, Pok Fu Lam, Hong Kong, China
2. Department of Social Work and Social Administration, The University of Hong Kong, Pok Fu Lam, Hong Kong, China
3. Department of Urban Planning and Design, The University of Hong Kong, Pok Fu Lam, Hong Kong, China
4. Centre of Urban Studies and Urban Planning, The University of Hong Kong, Pok Fu Lam, Hong Kong, China
5. Smart Cities Research Institute, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
6. Faculty of Architecture, The University of Hong Kong, Pok Fu Lam, Hong Kong, China
7. Healthy High Density Cities Lab, The University of Hong Kong, Pok Fu Lam, Hong Kong, China