1. Laboratory for Phytopathology and Plant ProtectionKatholieke Universiteit Leuven Willem de Croylaan 42 Leuven Belgium
2. China Import and Export Commodity Inspection Technology Institute Gaobeidian North Road, Chaoyang District Beijing 100025 P. R. of China
3. Institute of Plant Biochemistry Halle Germany
4. Institut de Pharmacologie et Biologie Structurale, UMR‐CNRS 5089 205 Route de Narbonne Toulouse Cedex France
5. Rega Institute, Laboratory of Molecular ImmunologyKatholieke Universiteit Leuven Minderbroedersstraat 10 Leuven Belgium