1. Department of Atmospheric Sciences, Yonsei University, Seoul, Republic of Korea
2. Atomic and Molecular Physics (AMP) Division, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA
3. Climate and Radiation Laboratory, NASA/GSFC, Greenbelt, MD, USA
4. Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
5. Earth System Division, National Institute for Environmental Studies, Ibaraki, Japan
6. Department of Environmental Planning, Graduate School of Environmental Studies, Seoul National University, Seoul, Republic of Korea