1. Department of Agro-Environmental Science and Technology, Faculty of Agriculture, Bologna University, Italy.
2. Department of Statistical Sciences, Faculty of Statistical Sciences, Bologna University, Italy.
3. Department of Evolutionary Experimental Biology, Faculty of Science, Bologna University, Italy.
4. ITOI-CNR, Unit of Bologna, c/o IOR, Bologna, Italy.
5. Italian Anthroposophical Medical Group, Milano, Italy.
6. Association for Medicine Applied to Italian Research on Water (A.M.A.R.I.A.), Roma, Italy.