1. Lowry Health Center, Denver Health, Denver, CO, US
2. Department of Psychology, University of Sheffield, Sheffield, UK
3. Department of Psychology, Luther University, IA, Decorah, US
4. Department of Integrative Health Promotion, Coburg University of Applied Sciences and Arts, Coburg, Germany
5. Gasteiner Heilstollen Hospital, Bad Gastein-Böckstein, Austria
6. Department of Psychology, East Tennessee State University, Johnson City, TN, USA