1. Laboratory of Protein Purification, Immunoassay Center, Cubanacán, Playa, Havana, Cuba.
2. Laboratory of Monoclonal Antibodies, Immunoassay Center, Havana, Cuba.
3. Center for Biotechnology and Genetic Engineering, Havana, Cuba.
4. Department of Chemical Engineering, Faculty of Chemical Engineering, CUJAE, Havana, Cuba.
5. Laboratory of Prenatal Diagnostic, Immunoassay Center, Havana, Cuba.