1. Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
2. Universidade São Francisco, Campinas, Brazil
3. Durham University, Durham, UK
4. The University of Newcastle, Callaghan, NSW, Australia
5. Ondokuz Mayıs University, Samsun, Turkey
6. Amasya University, Amasya, Turkey
7. Colorado State University, Fort Collins, CO, USA
8. Iowa State University, Ames, IA, USA
9. The Chinese University of Hong Kong, Shatin, NT, Hong Kong