1. Kinohi Institute, Pasadena, California.
2. Mullard Space Science Laboratory, Department of Space and Climate Physics, University College London, Holmbury St. Mary, Dorking, Surrey, UK.
3. College of Ocean and Atmospheric Sciences, Oregon State University, Corvallis, Oregon.
4. Department of Earth Sciences, University College London, London, UK.
5. University of Innsbruck, Institute of Ecology, Innsbruck, Austria.