1. Department of Diabetes, Endocrinology, Nutritional Medicine and Metabolism University Hospital and University of Bern Bern Switzerland
2. Institute of Evolutionary Medicine University of Zurich Zurich Switzerland
3. Swiss Armed Forces, Medical Services Ittigen Switzerland
4. Centre of Competence for Military and Disaster Medicine, Swiss Armed Forces Ittigen Switzerland
5. Swiss School of Public Health SSPH+ Zurich Switzerland
6. Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich Zurich Switzerland
7. Childhood Nutrition Research Centre, UCL Great Ormond Street Institute of Child Health London UK