1. Department of Pathology, University of Louisville, Louisville, Kentucky, USA.
2. Department of Neurological Surgery, Kentucky Spinal Cord Injury Center, Louisville, Kentucky, USA.
3. Timac Agro International-Roullier Group, R&D Department, Poligono Arazuri Orcoyen, Orcoyen, Spain.
4. Department of Chemistry and Soil Chemistry, University of Navarra, Madrid, Spain.
5. R&D Department, Timac Agro International, Dinard, France.