1. Institute of Sport Sciences, University of Lausanne, Lausanne, Switzerland.
2. Department of Automatics, Biocybernetics and Robotics, Jožef Stefan Institute, Ljubljana, Slovenia.
3. Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia.
4. Department of Pulmonary Function Testing and Exercise Physiology, CHRU de Nancy, Nancy, France.
5. Department of Pediatric Neurology, University Children's Hospital Ljubljana, Ljubljana, Slovenia.