1. Department of Pharmacy, Faculty of Chemistry; Pontificia Universidad Catolica de Chile; Santiago Chile
2. Department of Endocrinology, School of Medicine; Pontificia Universidad Catolica de Chile; Santiago Chile
3. Institute of Chemistry and Biochemistry, Faculty of Science; Universidad de Valparaiso, Playa Ancha; Valparaíso Chile
4. Department of Organic and Physical Chemistry, Faculty of Chemical and Pharmaceutical Sciences; Universidad de Chile; Santiago Chile
5. Department of Chemistry, Faculty of Sciences; Universidad de Chile; Santiago Chile
6. Department of Organic Chemistry, Faculty of Chemistry; Pontificia Universidad Catolica de Chile; Santiago Chile