1. Leeds University Business School, Leeds LS2 9JT, United Kingdom;
2. Virginia Tech, Blacksburg, Virginia 24061;
3. Zicklin School of Business, Baruch College, City University of New York, New York, New York 10010;
4. Nova School of Business and Economics Campus de Carcavelos, 2775-405 Carcavelos, Cascais, Portugal;
5. University of Stavanger Business School, 8600 Forus, Norway