1. Agroscope Research Station; Research Department of Production and Plant Protection of Crops in Alpine Areas/Greenhouse Crops; Route des Vergers 18 CH-1964 Conthey Switzerland
2. Mediplant; Route des Vergers 18 CH-1964 Conthey Switzerland
3. Agroscope Research Station; Research Department of Arable Crop Plant Breeding and Genetic Resources; Route de Duillier 50, CP 1012 CH-1260 Nyon Switzerland