1. Department of Social Work and Social Administration, The University of Hong Kong, Hong Kong
2. Problem Gambling Services, The Salvation Army, Auckland, New Zealand
3. Centre for Gambling Studies, School of Population Health, University of Auckland, New Zealand
4. Centre on Behavioural Health, The University of Hong Kong, Hong Kong, People’s Republic of China
5. Clinical Trial Research Unit and School of Nursing, University of Auckland, Auckland, New Zealand
6. Problem Gambling Research and Treatment Centre, University of Melbourne, Melbourne, Australia