1. Radiation Protection Dosimetry and Calibration Group, Belgian Nuclear Research Centre (SCK•CEN), Belgium
2. Dosimetry and Calibration Department, Greek Atomic Energy Commission (EEAE), Agia Paraskevi, Greece
3. Vinca Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
4. Radiation Protection Department, Nofer Institute of Occupational Medicine (NIOM), 91-348 Lodz, Poland
5. Department of Radiation Protection, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium
6. Department of Medical Physics, Abdus Salam International Centre for Theoretical Physics (ICTP), 34151 Trieste, Italy