Lynn Van den Broeck, Faculty of Engineering Technology, Leuven Engineering Science and Education Centre (LESEC), KU Leuven; Tinne De Laet, KU Leuven; Carolien Van Soom, KU Leuven, Faculty of Science, LESEC; Marlies Lacante, KU Leuven & University Free State (South Africa); Greet Langie Langie, KU Leuven