1. GGNet, Centre for Mental Health, Scelta, Expert Centre for Personality Disorders, Apeldoorn, Warnsveld, The Netherlands.
2. HAN University of Applied Sciences, Nijmegen, The Netherlands.
3. KenVaK, Research Centre for the Arts Therapies, Heerlen, The Netherlands.
4. Zuyd University of Applied Sciences, Faculty of Healthcare, Heerlen, and Open University, Faculty of Psychology and Educational Sciences, Heerlen.
5. Radboud University, Nijmegen.
6. Pro Persona, Centre for Mental Health, Renkum, The Netherlands.