1. School of Environmental Sciences, University of Guelph, Guelph, Canada
2. The British Columbia Technology Transfer Program, B C Honey Producers’ Association, Victoria, Canada
3. Swiss Bee Research Centre, Agroscope, Bern, Switzerland
4. Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
5. Alveus AB Consultancy, Oisterwijk, Netherlands
6. Departamento de Medicina y Zootecnia, Abejas, FMVZ, UNAM, Cd. Univ, Mexico City, Mexico
7. Department of Entomology, University of Georgia, Athens, GA, USA