1. Department of Pediatrics Paracelsus Medical University, Klinikum Nürnberg, Universitätsklinik der Paracelsus Medizinischen Privatuniversität Nürnberg Nuremberg Germany
2. Department of Pediatrics Paracelsus Medical University Salzburg Austria
3. Department of Pediatrics Obesity Research Unit, Paracelsus Medical University Salzburg Austria
4. School of Health, Obesity Institute, Leeds Beckett University Leeds UK
5. Department of Pediatrics Center for Pediatric Obesity Medicine, University of Minnesota Medical School Minneapolis Minneapolis Minnesota USA
6. Department of Pediatrics and Adolescent Medicine, Division of Pediatric Endocrinology and Diabetes Center for Rare Endocrine Diseases, University of Ulm Ulm Germany