1. Institute of Food and Agricultural Technology (INTEA), University of Girona, Campus Montilivi (Edif. Politècnica 1), Girona 17071, Spain, Fax: (+34) 972‐418‐399
2. Departament de Biologia Estructural, Institut de Biologia Molecular de Barcelona (IBMB), Consejo Superior de Investigaciones Científicas (CSIC), Jordi Girona 18–26, 08034 Barcelona, Spain
3. Departament de Genètica Molecular, Consorci CSIC‐IRTA, Jordi Girona 18–26, 08034 Barcelona, Spain