1. Facultad Ciencia de la Tierra, Universidad Estatal Amazónica, Puyo, Ecuador
2. Departamento de Química Orgánica, Facultade de Farmacia, Universidade de Santiago de Compostela, Santiago de Compostela, España
3. CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
4. Department of Life Sciences and Biotechnology, Faculty of Medicine, Pharmacy and Prevention, Master Course in Cosmetic Sciences, University of Ferrara, Ferrara, Italy
5. Department of Life Sciences and Biotechnology, Pharmaceutical botany and biology Lab., Research Unit 7- Terra&Acqua Tech Technopole Lab, University of Ferrara, Ferrara, Italy