1. Astrophysics Group, Lennard Jones Laboratory, Keele University, Keele, Staffordshire ST5 5BG, UK
2. Main Astronomical Observatory, Academy of Sciences of the Ukraine, Golosiiv Woods, Kyiv-127 UA-03680 Ukraine
3. Centre for Astrophysics Research, University of Hertfordshire, College Lane, Hatfield, Hertfordshire AL10 9AB, UK
4. Physical Research Laboratory, Navrangpura, Ahmedabad 380009, Gujarat, India
5. INAF Astronomical Observatory of Padova, I-36012 Asiago (VI), Italy
6. Minnesota Institute for Astrophysics, School of Physics, Astronomy, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455, USA
7. School of Earth and Space Exploration, Arizona State University, Box 871404, Tempe, AZ 85287-1404, USA
8. USRA-SOFIA Science Center, NASA Ames Research Center, Moffett Field, CA 94035, USA
9. Department of Physics, Florida State University, 77 Chieftan Way, Tallahassee, FL 32306, USA
10. ANS Collaboration, Astronomical Observatory, I-36012 Asiago (VI), Italy