1. Marketing Department, Faculty of Business Studies, Megatrend University, Bulevar maršala Tolbuhina 8, 11070 Belgrade, Republic of Serbia
2. Marketing Department, Kozminski University, 57/59 Jagiellonska Street, 03-301 Warsaw, Poland; Global Sales and Marketing Department, Faculty for Business & Management, University of Applied Sciences Upper Austria, Wehrgrabengasse 1-3, 4400 Steyr, Austria
3. Department for Media Management, Faculty of Management, Union–Nikola Tesla University, Njegoševa St. 1a, 21205 Sremski Karlovci, Republic of Serbia
4. Department of Law and Security, Faculty of Law, Megatrend University, Bulevar maršala Tolbuhina 8, 11070 Belgrade, Republic of Serbia