1. Human Physiology Research Group, Vrije Universiteit Brussel, Pleinlaan 2, Brussels, Belgium
2. LIFE Department, Vital Signs and Performance Monitoring (VIPER), Royal Military Academy, Avenue de la Renaissancelaan 30, Brussels, Belgium
3. Zorggroep Solis, Hermelijn 2, Deventer, The Netherlands
4. Department of Experimental and Applied Psychology, Vrije Universiteit Brussel, Pleinlaan 2, Brussels, Belgium