1. Lund University, Sten K. Johnson Centre for Entrepreneurship, PO Box 7080, Lund, Sweden, S-220 07, ;
2. Lund University, CIRCLE, Box 118, Lund, Skåne, Sweden, 221 00,
3. Halmstad University, School of Business and Engineering, Box 823, Halmstad, Sweden, 301 18, ;
4. Lund University School of Economics and Management, P.O. Box 7080, Lund, Sweden, SE-220 07;
5. Norges teknisk-naturvitenskapelige universitet, 8018, NTNU School of Entrepreneurship, Alfred Getz vei 1, Trondheim, Norway, 7491;
6. NTNU, 8018, Department of Industrial Economics and Technology Management, Trondheim, Norway;