1. University of North Carolina at Chapel Hill, USA
2. Center for Health Technology and Services Research, University of Porto, Portugal
3. University College Cork, Ireland
4. Kyungpook National University, Daegu, South Korea
5. Dutch Down Syndrome Foundation, Meppel, The Netherlands
6. Federal University of Minas Gerais, Belo Horizonte, Brazil
7. University of Hyogo, Akashi, Japan
8. Università Cattolica del Sacro Cuore, Milan, Italy
9. Mahidol University, Bangkoknoi, Thailand
10. University of São Paulo, Brazil
11. Rambhai Barni Rajabhat University, Muang, Thailand
12. Garden Valley School Division, Winkler, Manitoba, Canada
13. University of Porto, Portugal
14. Leiden University, The Netherlands