1. IT Department University of Geneva Genève Switzerland
2. Laboratoire Magmas et Volcans UCA, CNRS, IRD, OPGC Aubière France
3. DISTABIF Università degli Studi della Campania "Luigi Vanvitelli" Caserta Italy
4. Observatoire Volcanologique de Goma Goma Democratic Republic of Congo
5. Observatorio Vesuviano National Institute of Geophysics and Volcanology Naples Italy