1. Department of Agricultural Sciences, University of Bologna, Bologna, Italy
2. Society for Cancer Research, Hiscia Institute, Arlesheim, Switzerland
3. Agronomist – Soil Scientist, Freelancer, Arezzo, Italy
4. Chemistry laboratory "Analysis Srl", Todi (PG), Italy
5. Institute of Integrative Medicine, University of Witten-Herdecke, Herdecke, Germany