1. Institute of Neuroscience; Université catholique de Louvain; 1 place Pierre de Coubertin 1348 Louvain-la-Neuve Belgium
2. PROCELL nutrition sprl; 2 Rue Jean Burgers 7850 Enghien Belgium
3. De Duve Institute; Université catholique de Louvain; 75 Avenue Hippocrate 1200 Brussels Belgium
4. Department of Biomolecular Sciences, Division of Pharmacognosy, Research Institute of Pharmaceutical Sciences; University of Mississippi, Medicinal Plant Garden, RM 104, University; MS 38677 USA