Reply to DM Thomas and K Westerterp.
From the Oregon Research Institute, Eugene, OR (ES and SY); and the Department of Psychiatry and Mental Health, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa (DJH, e-mail: davidjohnhume@gmail.com).
Eric
E
Stice
From the Oregon Research Institute, Eugene, OR (ES and SY); and the Department of Psychiatry and Mental Health, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa (DJH, e-mail: davidjohnhume@gmail.com).
Sonja
S
Yokum
From the Oregon Research Institute, Eugene, OR (ES and SY); and the Department of Psychiatry and Mental Health, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa (DJH, e-mail: davidjohnhume@gmail.com).
David John
0000-0002-6150-382X
DJ
Hume