1. Faculty of Management, Trier University, Trier, Germany; Erasmus School of Economics (ESE) and Erasmus Institute of Management (ERIM), Erasmus University Rotterdam, Rotterdam, the Netherlands; and Wittener Institut für Familienunternehmen (WIFU), Universität Witten/Herdecke, Witten, Germany.
2. Faculty of Management, Trier University, Trier, Germany; and Erasmus School of Economics (ESE) and Erasmus Institute of Management (ERIM), Erasmus University Rotterdam, Rotterdam, the Netherlands.
3. Research Institute of Economy, and Trade and Industry (RIETI), Tokyo, Japan.
4. School of Economics and Research Center for Entrepreneurship (RECENT), Kwansei Gakuin University, Hyogo, Japan.