1. Istituto Nazionale di Geofisica e Vulcanologia Rome Italy
2. Dipartimento Scienze Roma Tre University Rome Italy
3. University of Edinburgh Edinburgh UK
4. Department of Chemistry University of California Irvine Irvine CA USA
5. Department of Environmental Science, Policy, & Management University of California, Berkeley Berkeley CA USA
6. College of Hydrology and Water Resources Hohai University Nanjing China
7. Pacific Northwest National Laboratory Richland WA USA
8. Department of Physics and Astronomy The University of Iowa Iowa City IA USA
9. U.S. Geological Survey, Moffett Field Mountain View CA USA
10. Stiftung Alfred Wegener Institut Bremerhaven Germany
11. Rutgers University New Brunswick NJ USA
12. University of Otago Dunedin New Zealand
13. Atmosphere and Ocean Research Institute University of Tokyo Kashiwa Campus Chiba Japan