1. School of Public Health & Social Work, Faculty of Health, Queensland University of Technology, Queensland, Australia
2. Senior Research Fellow and Director, Queensland Centre for Intellectual and Developmental Disability, Mater Research Institute-UQ,The University of Queensland, South Brisbane, Queensland, Australia
3. School of Public Health &Social Work, Mater Intellectual Disability and Autism Service, Mater Hospital, South Brisbane, Queensland, Australia
4. School of Public Health & Social Work, Faculty of Health, Queensland University of Technology, Kelvin Grove, Queensland, Australia