1. Institute for Smart Systems Technologies. Universitaet Klagenfurt,Klagenfurt,Austria
2. Institute of Maintenance and Industrial Security, University of Oran 2,Oran,Algeria
3. Norwegian University of Life Sciences (NMBU),Faculty of Science and Technology,Ås,Norway
4. Universitaet Klagenfurt /Inst. f Smart Systems Technologies, Austria & Faculté Polytechnique, Université de Kinshasa,DR-Congo