Simon (University of Zurich) Bornschier, Lukas (University of Zurich) Haffert, Silja (University of Zurich) Hausermann, Marco (University of Zurich) Steenbergen, Delia (University of Zu Zollinger
Homero (Universidad de Salamanca Spain and Pennsylvania State University) Gil de Zuniga, Hugo Marcos (Universidad de Salamanca Spain) Marne, Manuel (Universidad de Salamanca Spain) Goyanes, Sche