1. Texas A&M Univ. (United States)
2. Univ. de São Paulo (Brazil)
3. Instruments4 (United States)
4. Prime Optics (Australia)
5. The Univ. of Texas at Austin (United States)
6. Kyung Hee Univ. (Korea, Republic of)
7. Kyung Hee Univ. (Korea, Republic of)