1. Charles University in Prague, 3rd Medical Faculty, Department of Biomedical Physics and Biomedical Informatics; Prague 10 Czech Republic
2. AVE LASER CENTRUM; Olomouc Czech Republic
3. Czech Technical University in Prague, Faculty of Nuclear Sciences and Physical Engineering; Prague Czech Republic
4. Charles University in Prague, 2nd Medical Faculty, Department of Stomatology; Prague 5 Czech Republic