1. University of Beira Interior & NECE – Research Centre in Business Sciences, Covilhã, Portugal.
2. Polytechnic Institute of Castelo Branco & UBI-NECE, Castelo Branco, Portugal.
3. Tilburg University, Tilburg, the Netherlands.
4. UiS Business School/Centre for Innovation Research, University of Stavanger, Stavanger, Norway.