1. Loker Hydrocarbon Research Institute, Wrigley Institute for Environment and Sustainability, and Department of Chemistry, University of Southern California, Los Angeles, California 90089-1661, United States
2. Polytechnic School, 1030 E. California Blvd, Pasadena, California 91107, United States
3. Flintridge Preparatory School, 4543 Crown Ave, La Cañada Flintridge, California 91011, United States