1. Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, Worcester, Massachusetts, USA.
2. Nanoplanet Consulting, Concord, Massachusetts, USA.
3. Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
4. Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
5. Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
6. School of Physics & Astronomy, Cardiff University, Cardiff, United Kingdom.
7. Rufus Scientific, Royston, United Kingdom.
8. Faculty of Environmental Engineering, Wroclaw University of Science and Technology, Wroclaw, Poland.
9. JJ Scientific, Warsaw, Poland.