Funding for this research was provided by:
School of Nursing, The Hong Kong Polytechnic University (No)
Received: 14 December 2018
Accepted: 10 July 2020
First Online: 23 July 2020
Ethics approval and consent to participate
: Ethical approval was granted by each participating institution (The Hong Kong Polytechnic University, National University of Singapore, and University of Manchester) and all participant signed an informed consent.
: Not applicable.
: The authors declare that they have no competing interests.