1. Sporometrics; Toronto Ontario Canada
2. Quebec Ministry of Agriculture; Fisheries and Food (MAPAQ); Sainte-Martine Quebec Canada
3. Club Conseil du Corymbe; Napierville Quebec Canada
4. FICOTE Consulting Inc., Leamington; Ontario Canada
5. University of California Cooperative Extension; Ventura California
6. Department of Agricultural Sciences, Alma Mater Studiorum; University of Bologna; Bologna Italy