1. Pharmaceutical Department; Center for Genetic Engineering and Biotechnology; Avenue 31, PO Box 6162 Havana 10600 Cuba
2. Chemistry and Physics Department; Center for Genetic Engineering and Biotechnology; Avenue 31, PO Box 6162 Havana 10600 Cuba
3. Center for Clinical Research; Avenue 34, PO Box 6162 Havana 11300 Cuba
4. Rheumatology Department; Hermanos Ameijeiras Hospital; San Lazaro 701, PO Box 6122 Havana 10600 Cuba