1. Department of Psychology and Brigham Young University, Provo, Utah, USA.
2. Neuroscience Center, Brigham Young University, Provo, Utah, USA.
3. Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA.
4. Departments of Pediatrics and Psychology, The Ohio State University, Columbus, Ohio, USA.
5. Department of Human Development and Quantitative Methodology, University of Maryland, College Park, Maryland, USA.
6. MetroHealth System, Case Western Reserve University, Cleveland, Ohio, USA.
7. Department of Psychology, University of Calgary, Calgary, Alberta, Canada.