1 The Department of Psychology, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa.
2 Department of Psychiatry and Biobehavioral Sciences, Semel Institute, University of California at Los Angeles, 760 Westwood Plaza, Los Angeles, CA, 90024, USA. cchpublications@mednet.ucla.edu.
3 Global Center for Children and Families, Semel Institute and the Department of Psychiatry, University of California at Los Angeles, 10920 Wilshire Boulevard, Suite 350, Los Angeles, CA, 90024-6521, USA. cchpublications@mednet.ucla.edu.
4 South African Medical Research Council, Francie van Zijl Drive, Parow Valley, Cape Town, South Africa.
5 National Institute of Alcohol Abuse and Alcoholism, 5635 Fishers Lane, Bethesda, MD, 20892-7003, USA.
The original version of this article unfortunately contained an error in the co-authors name. The co-author names should be Sarah Gordon and Charles Parry instead of Sara Gordon and Charles Perry.