1. Institute of Dentistry; University of Eastern Finland; Kuopio Finland
2. SIB Laboratories; University of Eastern Finland; Kuopio Finland
3. DIT Centre for Radiation and Environmental Science; FOCAS Research Institute; Dublin Institute of Technology; Dublin Ireland
4. School of Physics; Dublin Institute of Technology; Dublin Ireland
5. FOCAS Research Institute; Dublin Institute of Technology; Dublin Ireland
6. Research Group of Oral Health Sciences; Faculty of Medicine; University of Oulu; Oulu Finland