1. Department of Psychiatry, University of North Carolina, Chapel Hill, NC, USA
2. School of Paediatrics and Child Health, University of Western Australia, Perth, Australia
3. School of Psychology and Speech Pathology, Curtin University, Perth, Australia
4. Suzanne Dworak-Peck School of Social Work, University of Southern California, Los Angeles, CA, USA
5. Department of Psychology, University of North Carolina, Chapel Hill, NC, USA
6. Department of Psychology, University of North Carolina, Greensboro, NC, USA
7. Department of Nutrition, University of North Carolina, Chapel Hill, NC, USA
8. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, NC, Sweden