1. Jet Propulsion Laboratory; California Institute of Technology; Pasadena California USA
2. Department of Meteorology; University of Hawaii; Honolulu Hawaii USA
3. Geophysical Fluid Dynamics Laboratory; Kyushu University; Hakozaki, Fukuoka Japan
4. Max-Planck-Institut fur Aeronomie; Katlenburg-Lindau Germany
5. Middle Atmosphere Dynamics Section; Naval Research Laboratory; Washington, D.C. USA
6. Computational Physics Inc.; Springfield Virginia USA