1. Engineering Optimization and Modeling CenterSchool of Science and EngineeringReykjavik UniversityMenntavegur 1 101 ReykjavikIceland
2. Faculty of Electronics, Telecommunications and InformaticsGdansk University of Technology80–233GdanskPoland
3. Department of Electrical and Computer EngineeringMcMaster UniversityHamiltonONCanadaL8S 4K1