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. Center for Chronically Sick Children; Charité - Universitätsmedizin Berlin; Berlin Germany
5. Cochrane Skin, Centre of Evidence Based Dermatology; University of Nottingham; Nottingham UK
6. Obesity UK; Liverpool UK
7. Cochrane Metabolic and Endocrine Disorders Group; Institute of General Practice, Medical Faculty of the Heinrich-Heine-University Düsseldorf; Düsseldorf Germany
8. Department of Pediatric Surgery; Stanford University; Standford CA USA
9. School of Clinical and Applied Sciences; Leeds Beckett University; Leeds UK