1. University of Utah, Salt Lake City, UT, USA
2. University of Hamburg, Hamburg, Germany
3. University of Nebraska, Omaha, Nebraska
4. University of North Carolina at Charlotte, Charlotte, NC, USA
5. University of Chieti and Pescara, Pescara, Italy
6. School of Business, Universidad Adolfo Ibáñez, Peñalolén, Chile
7. Peking University, Beijing, China