1. Department of Civil, Chemical and Environmental Engineering University of Genova Genoa Italy
2. WMO/CIMO Lead Centre ‘B. Castelli’ on Precipitation Intensity Italy
3. Istituto Nazionale di Ricerca Metrologica, Applied Thermodynamics Program Torino Italy
4. Federal Public Service Economy, Metrology, National Standards Belgium
5. Centro Español de Metrología Tres Cantos (Madrid) Spain
6. Danish Technological Institute Aarhus Denmark
7. Federal Office of Meteorology and Climatology MeteoSwiss Payerne Switzerland
8. National Metrology Institute of the Republic of Moldova Chisinau Moldova