1. Finnish Institute of Occupational Health, Oulu, Finland
2. Finnish Institute of Occupational Health, Helsinki, Finland
3. Rescue services of Päijät-Häme, Lahti, Finland
4. Rescue services of Oulu-Koillismaa, Oulu, Finland
5. Rescue services of Pirkanmaa, Tampere, Finland
6. The Emergency Services Academy, Kuopio, Finland
7. UKK Institute – Centre for Health Promotion Research, Tampere, Finland