1. Department of Cognitive Behavioral Psychology, Chiba University Graduate School of Medicine, Chiba, Japan.
2. Division of Psychology, Faculty of Natural Sciences, University of Stirling, Stirling, United Kingdom.
3. Department of Psychology, Royal Holloway, University of London, Egham, United Kingdom.
4. Research Center for Child Mental Development, Chiba University, Chiba, Japan.
5. Faculty of Human Sciences, Waseda University, Tokorozawa, Japan.
6. Cognitive Behavioral Therapy Center, Chiba University Hospital, Chiba, Japan.