1. Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, USA
2. Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
3. Department of Psychology, Lund University, Sweden
4. Department of Neurosurgery, University of Milano, Italy
5. College of Integrative Medicine and Health Sciences, Saybrook University, Pasadena, California, USA
6. Department of Psychology and Neuroscience, Baylor University, Waco, Texas, USA
7. Department of Psychology, Goldsmiths, University of London, UK
8. Department of Psychology, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, UK
9. Department of Dermatology and Cutaneous Surgery, University of South Florida, Tampa, USA
10. Neurogastroenterology Unit, Wythenshawe Hospital, Manchester, UK