1. 1Centre for Obesity Northern-Netherlands (CON), Medical Centre Leeuwarden, Leeuwarden, The Netherlands
2. 2GELIFES-Neurobiology, Department of Behavioral Neuroscience, University of Groningen, Groningen, The Netherlands
3. 3Certe Laboratories, Medical Center Leeuwarden, Leeuwarden, The Netherlands
4. 4Department of Endocrinology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands