1. Optentia Research Unit, North-West University, Vanderbijlpark Campus, Vanderbijlpark, South Africa
2. WorkWell Research Unit, North-West University, Potchefstroom Campus, Potchefstroom, South Africa
3. Department of Psychology, Norwegian University of Science and Technology, Trondheim, Norway
4. NuMIQ Research Focus Area, North-West University, Potchefstroom Campus, Potchefstroom, South Africa