1. Departamento de Producción Vegetal; Universidad de Concepción; Av. Vicente Méndez 595 Chillán Chile
2. Department of Viticulture and Oenology; Stellenbosch University; Private Bag XI Matieland 7602 South Africa
3. ARC Infruitec-Nietvoorbij; Private Bag X5026 Stellenbosch 7599 South Africa
4. National Wine and Grape Industry Centre; Charles Sturt University; Locked Bag 588 Wagga Wagga NSW 2678 Australia