1. Institute of Family Business and Mittelstand | Entrepreneurship and Innovation Group, WHU – Otto Beisheim School of Management, Burgplatz, Vallendar, Germany
2. Department of Business Administration, University of Bern, Bern, Switzerland
3. Centre for Family Business Management | Faculty of Economics and Management, Free University of Bozen – Bolzano, Bolzano, Italy
4. Department of Entrepreneurship, Strategy & Innovation, Lancaster University Management School, Bailrigg, Lancaster, UK
5. International Institute for Management Development