1. Faculty of Civil Engineering, Vilnius Gediminas Technical University, Saulėtekio al. 11, LT-10233 Vilnius, Lithuania
2. Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, Saulėtekio al. 11, LT-10233 Vilnius, Lithuania
3. Faculty of Architecture, Poznań University of Technology, Nieszawska Str. 13, 60-965 Poznań, Poland