| IUP - (Institut für Umweltphysik), University Bremen. |
| NUI - National University of Ireland, Department of Physics, Galway, Irland. |
| AWI - Alfred-Wegener-Institut für Polar-und Meeresforschung, Bremerhaven. |
| UH - University Heidelberg. |
| SRON - Netherlands Institute for Space Research. |
| SAO - Smithsonian Astrophysical Observatory, Boston. |
| UNN - University of Nizhny Novgorod, Department of Chemistry, Nizhny Novgorod, Russland |
| PTCL - Physical and Theoretical Chemistry Laboratory, University of Oxford |
| ISAS - Physics and Engineering Physics Institute of Space and Atmospheric Studies Department of Physics and Engineering Physics University of Saskatchewan, Saskatchewan, Saskatoon, Canada. |