1. Department of Atmospheric Sciences University of Illinois at Urbana‐Champaign Urbana IL USA
2. Department of Environmental Health Sciences University of Michigan Ann Arbor MI USA
3. Department of Chemistry University of Michigan Ann Arbor MI USA
4. Department of Mechanical Science and Engineering University of Illinois at Urbana‐Champaign Urbana IL USA
5. Department of Chemistry The College of Wooster Wooster OH USA