1. Impact Laboratory, Institute of Engineering Research of Aragon (I3A), University of Zaragoza, Zaragoza, Spain
2. Autoliv Research, Vargarda, Sweden
3. Department of Surgical and Perioperative Science, Umeå University, Umeå, Sweden
4. Hospital Miguel Servet, Zaragoza, Spain
5. Chalmers University, Gothenburg, Sweden