1. Animal Production Systems Group, Department of Animal Science; Wageningen University & Research; Wageningen the Netherlands
2. Erasmus University Rotterdam; Erasmus Happiness Economics Research Organization (EHERO); Rotterdam the Netherlands
3. Optentia Research Program; North-West University; Vanderbijlpark South Africa
4. Department of Learning and Philosophy, Centre for Applied Philosophy; Aalborg University; Aalborg Denmark
5. Department of Animal Science - Behaviour and Stress Biology Group; Aarhus University; Tjele Denmark