1. California Polytechnic State University, San Luis Obispo, San Luis Obispo, CA 93407, USA.
2. Purdue University, West Lafayette, IN 47907, USA.
3. California State University, Los Angeles, Los Angeles, CA 90032, USA.
4. California State University, Stanislaus, Turlock, CA 95382, USA.
5. San Francisco State University, San Francisco, CA 94132, USA.
6. San Diego State University, San Diego, CA 92182, USA.