1. Psychiatric Research Unit, Region Zealand Slagelse Denmark
2. Department of Psychological and Brain Sciences George Washington University Washington DC USA
3. Institute for Interdisciplinary Salivary Bioscience Research University of California at Irvine Irvine California USA
4. Department of Psychological Sciences University of Missouri Columbia Missouri USA
5. Department of Clinical Medicine, Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
6. Department of Psychology University of Southern Denmark Odense Denmark