1. Department of Radiation Sciences, Radiation Physics, Umeå University, 90187 Umeå, Sweden
2. SciProof International AB, 83158 Östersund, Sweden
3. Institute of Advanced Studies, Strömstad Academy, 45280 Strömstad, Sweden
4. Federal Institute for Occupational Safety and Health, 44194 Dortmund, Germany
5. National Centre of Public Health and Analyses, 1431 Sofia, Bulgaria