1. Organic Synthesis Laboratory, Faculty of Pharmacy Central University of Venezuela Caracas Venezuela
2. Facultad de Medicina Universidad de Las Américas Quito Ecuador
3. Departamento de Tecnología de Procesos Biológicos y Bioquímicos, División de Ciencias Biológicas Universidad Simón Bolívar Caracas Venezuela
4. Biotechnology Unit, Faculty of Pharmacy Central University of Venezuela Caracas Venezuela
5. Institute of Immunology, Faculty of Medicine Central University of Venezuela Caracas Venezuela
6. Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry Palacky University Olomouc Czech Republic