1. Central Laboratories; Agricultural Institute of Slovenia; Hacquetova ulica 17 Ljubljana 1000 Slovenia
2. Department of Viticulture and Oenology; Stellenbosch University; Private Bag X1 Matieland 7602 South Africa
3. Institute for Wine Biotechnology; Stellenbosch University; Private Bag X1 Matieland 7602 South Africa
4. National Wine and Grape Industry Centre; Charles Sturt University; Locked Bag 588 Wagga Wagga NSW 2678 Australia
5. School of Agricultural and Wine Science; Charles Sturt University; Locked Bag 588 Wagga Wagga NSW 2678 Australia