1. Apicultural State Institute, University of Hohenheim, Stuttgart, Baden-Wuerttemberg, Germany
2. Department of Livestock Population Genomics, University of Hohenheim, Stuttgart, Baden-Wuerttemberg, Germany
3. Molecular Plant Science/Plant Biochemistry, University of Wuppertal, Wuppertal, Nordrhein-Westfalen, Germany
4. Core Facility Hohenheim and Institute of Economics, University of Hohenheim, Stuttgart, Baden-Wuerttemberg, Germany