1. Department of Behavioral Sciences, University of Houston, Clear Lake Houston, Texas 77058-1098, USA
2. National In stitute of Mental Health, Ichikawa, Japan
3. Fukushima University, Fukushima, Japan
4. Affiliated Systems Corporation, Houston, Texas, USA
5. University of Tsukuba, Tsukuba, Japan
6. Nakamura Psychotherapy Institute, Tokyo, Japan