1. Department of Chemistry, Purdue University, West Lafayette, Indiana, US
2. Department of Earth, Atmospheric and Planetary Science and Purdue Climate Change Research Center, Purdue University, West Lafayette, Indiana, US
3. Department of Aviation and Transportation Technology, Purdue University, West Lafayette, Indiana, US
4. National Isotope Center, GNS Science, Lower Hutt, NZ
5. Department of Physics, Ateneo de Manila University, Loyola Heights, Quezon City, PH
6. The Pennsylvania State University, Department of Meteorology, University Park, PA
7. NOAA/ESRL, Colorado, US
8. CIRES, University of Colorado at Boulder, Boulder, Colorado, US
9. NIST, Gaithersburg, Maryland, US
10. School of Life Sciences, Arizona State University, Tempe, Arizona, US