1. Åstrand Laboratory The Swedish School of Sport and Health Sciences Stockholm Sweden
2. Department of Physiology and Pharmacology Karolinska Institutet Stockholm Sweden
3. Department of Sport University of Applied Sciences for Police and Administration of Hesse Wiesbaden Germany
4. Institute of Sport Sciences University of Lausanne Lausanne Switzerland
5. Department of Physical Education and Research Institute of Biomedical and Health Sciences (IUIBS) University of Las Palmas de Gran Canaria Gran Canaria Spain
6. School of Kinesiology Faculty of Education The University of British Columbia Vancouver BC Canada
7. Department of Physical Performance The Norwegian School of Sport Sciences Oslo Norway
8. Swedish Winter Sports Research Centre Department of Health SciencesMid Sweden University Östersund Sweden