The University of Hong Kong, University College London, Karolinska Institutet, University of South Australia, University of Queensland, University College London, Karolinska Institutet, University of South Australia - Quality Use of Medicines and Pharmacy Research Center, The University of Hong Kong - School of Clinical Medicine, The University of Hong Kong, Faculty of Social Sciences, Department of Social Work and Social Administration, The University of Hong Kong, The University of Hong Kong - Centre for Safe Medication Practice and Research, The University of Hong Kong - Centre for Safe Medication Practice and Research, The University of Hong Kong - Division of Geriatrics, The University of Hong Kong - Cardiology Division, University College London - Division of Psychiatry, University College London - Research Department of Practice and Policy and Hong Kong Science and Technology Park - Laboratory of Data Discovery for Health (D24H)