1. School of Life Sciences at Arizona State University , Tempe, Arizona , United States
2. São Paulo State University , Rio Claro , Brazil
3. University of Illinois at Urbana-Champaign , Urbana, Illinois , United States
4. University of California , San Diego, California , United States
5. University of Texas at Austin , Austin, Texas , United States
6. University of Bristol , Bristol, England , United Kingdom
7. University of Wisconsin-Madison , Madison, Widsconsin , United States
8. University of Hohenheim , Stuttgart , Germany
9. Federal University of São Carlos , Araras , Brazil
10. BeeLife European Beekeeping Coordination , Louvain la Neuve , Belgium