- OpenAIRE AMKE, Greece
- Consiglio Nazionale delle Ricerche, Italy
- Universitaed Bielefeld, Germany
- European Organization for Nuclear Research, Switzerland
- Athena Research Center, Greece
- University of Goettingen, Germany
- University of Warsaw, Poland
- University of Bologna, Italy
- Centre National de la Recherche Scientifique CNRS, France
- CITE Communication and Information Technologies, CITE
- University of Minho, Portugal