1. Hungarian School Sport Federation, Budapest, Hungary
2. Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia
3. Leibniz Institute for Prevention Research and Epidemiology, BIPS GmbH, Bremen, Germany
4. Institute for Biostatistics and Medical Informatics, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
5. School of Mathematics and Applied Statistics, University of Wollongong, Keiraville, Australia
6. Institute of Digital Health Sciences, Semmelweis University, Budapest, Hungary
7. Univ. Lille, ILIS, ULR 2694 – METRICS: Evaluation des technologies de santé et des pratiques médicales, Lille, France
8. Confederation of Italian Association of Physical Education Teachers, Venezia, Italy
9. Portuguese Institute of Sport and Youth, Lisbon, Portugal
10. Universidad Internacional de la Rioja, Logroño, Spain
11. National Medical Research Centre for Therapy and Preventive Medicine, Moscow, Russian Federation
12. Department of Paediatrics, Gastroenterology, Allergology and Paediatric Nutrition, Medical University of Gdansk, Gdansk, Poland
13. National Institute for Sport Research, Bucharest, Romania
14. Doctoral School of Health Sciences, University of Pécs, Pécs, Hungary
15. Dept. of Physical Education, ELTE Eotvos Lorand University, Budapest, Hungary
16. Early Start and Illawarra Health & Medical Research Institute, University of Wollongong, Keiraville, Australia