1. Queensland Centre for Mental Health Research; The Park Centre for Mental Health; Wacol Australia
2. Queensland Brain Institute; The University of Queensland; St Lucia Australia
3. Metro South Addiction and Mental Health Services; Brisbane Australia
4. School of Medicine; The University of Queensland; Brisbane Qld Australia
5. School of Public Health; The University of Queensland; Herston Australia
6. Metro North Mental Health; Royal Brisbane and Women's Hospital; Herston Australia
7. National Centre for Register-based Research; The Aarhus University; Aarhus C Denmark