Spain
- Universidad de Castilla-La Mancha / University of Castilla–La Mancha
- UPV/EHU University of the Basque Country / UPV/EHU University of the Basque Country
- Institut Superior d’Investigació Cooperativa – IVITRA (Universitat d’Alacant) / Higher Institute Of Cooperative Research – IVITRA (University of Alicante)
- Universidad de Alcala / University of Alcala
