Jeroen Doomernik, Universiteit van Amsterdam, The Netherlands Anne Green, University of Warwick, UKZhang Jijiao, Chinese Academy of Social Sciences, ChinaRobert Pauls, Ruhr-Universität Bochum, GermanyMonika Salzbrunn, Université de Lausanne, SwitzerlandRonald Skeldon, University of Sussex, UKSerge Weber, Université Paris-Est Marne-la-Vallée, France Catherine Wihtol de Wenden, Centre National de Recherche Scientifique (CERI), FranceZhang Xiaomin, Chinese Academy of Social Sciences, China