1. University of Queensland, St. Lucia, Queensland, Australia
2. Queensland University of Technology, Brisbane, Queensland, Australia
3. Vilnius University, Vilnius, Lithuania
4. Tallinn University of Technology, Tallinn, Estonia
5. Umea University, Umea, Sweden
6. Lund University, Lund, Sweden
7. University of Johannesburg, Johannesburg, South Africa
8. Columbia University, New York, New York, USA