1. Laboratory of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, University of Patras, 26500 Patras, Greece
2. Institut des Biomolécules Max Mousseron (IBMM), UMR-CNRS, Faculté de Pharmacie, Universités Montpellier 1 et 2, 15 Av. C. Flahault, 34093 Montpellier, France