1. Maastricht University, Maastricht, The Netherlands
2. GGNet Amarum, Expert Centre for Eating Disorders; Radboud University, Nijmegen, The Netherlands
3. GGZ Oost-Brabant, Center for Eating Disorders, Helmond, The Netherlands
4. Maastricht University, Maastricht, The Netherlands; Radboud University, Nijmegen, The Netherlands