South China University of Technology, China (WG IV/8)
University of Vigo, Spain (WG IV/9)
University Gustave Eiffel, France (WG IV/8)
Université Laval, Canada (WG IV/8)
China University of Geosciences, China (WG IV/8)
National Land Survey of Finland Finland
Politecnico di Torino Italy
University of Twente The Netherlands
Sun Yat-sen University, China (WG I/4)