1. School of Social Sciences and Psychology, Western Sydney University, Sydney, Australia
2. Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia
3. Department of Medical Statistics, School of Public Health and Center for Migrant Health Policy, Sun Yat-sen University, Guangzhou, China
4. Center for Migrant Health Policy, Sun Yat-sen University, Guangzhou, China
5. School of Health, Medical and Applied Sciences, Central Queensland University, Sydney, Australia
6. Translational Health Research Institute, School of Medicine, Western Sydney University, Sydney, Australia