Polytechnic University of Tomar (IPT, Portugal)D. A. Tsenov Academy of Economics (TAE, Bulgaria)University of South Bohemia in České Budějovice (USB, Czechia)University of Camerino (UNICAM, Italy)University of Greifswald (UG, Germany)Breda University of Applied Sciences (BUas, Netherlands)Opole University of Technology (OUTech, Poland)Valahia University of Targoviste (VUT, Romania)Trnava University (TUT, Slovakia)Södertörn University (SH, Sweden)Adana Alparslan Türkeş Science and Technology University (ATU, Turkey)