1. School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, United Kingdom of Great Britain and Northern Ireland
2. Faculty of Mining, Ecology, Process Control and Geotechnology, Technical University of Košice, Letná 9, 042 00Košice, Slovak
3. Faculty of Manufacturing Technologies with a seat in Prešov, Technical University of Košice, Bayerova 1, 080 01Prešov, Slovak
4. Faculty of Logistics and Crisis Management, Tomas Bata University in Zlín, nám. T. G. Masaryka 5555, 760 01Zlín, Czech
5. Faculty of Operation and Economics of Transport and Communications, University of Žilina, Univerzitná 8215/1, 010 26Žilina, Slovak