1. Department of Psychiatry, University of Nebraska Medical Center, Omaha, Nebraska, USA.
2. Department of Psychiatry and Department of Radiology, Kyoungbook National University Hospital, Daegu, Republic of Korea.
3. Target Holding, Groningen, The Netherlands.
4. Emotion and Development Branch, National Institute of Mental Health, Bethesda, Maryland, USA.
5. Center for Neurobehavioral Research, Boys Town National Research Hospital, Boys Town, Nebraska, USA.