Affiliation: | aGhent University, SYSTeMS Research Group, Technologiepark, Zwijnaarde 914, 9052 Zwijnaarde, Belgium;bDurham University, Department of Mathematical Sciences, Science Laboratories, South Road, Durham, DH1 3LE, England, UK;cRey Juan Carlos University, Department of Statistics and Operations Research, C-Tulipán s/n, 28933 Móstoles, Spain |