1. Associate Professor, Faculty of Civil Engineering, Technical Univ. of Košice, Vysokoškolská 4, 042 00 Košice, Slovakia. E-mail: marian.rovnak@gmail.com
2. Associate Professor, Institute of Construction and Architecture, Slovak Academy of Science, Dúbravská cesta 9, 845 03 Bratislava 45, Slovakia.
3. Senior Designer, Allstav, Ltd., Hroncova 3, 040 01 Košice, Slovakia.