1. Department of Earth Sciences; Swiss Federal Institute of Technology; Zurich Switzerland
2. Università di Napoli Federico II; Naples Italy
3. Centro de Geociencias; Universidad Nacional Autónoma de México; Campus Juriquilla, Querétaro Mexico
4. Institut National de l'Environnement Industriel et des Risques; Nancy France
5. AMRA s.c.a.r.l.; Naples Italy