1. Systemic Autoimmune Diseases Research Unit Hospital de Especialidades UMAE Instituto Mexicano del Seguro Social Puebla Mexico
2. Centro de Investigación Biomédica de Oriente Instituto Mexicano del Seguro Social IMSS Metepec Puebla Mexico
3. Department of Immunology and Rheumatology Medicine School Benemérita Universidad Autónoma de Puebla Puebla Mexico
4. Research in Health Coordination Instituto Mexicano del Seguro Social Puebla Mexico
5. Department of Biomedicine School of Medicine Benemérita Universidad Autónoma de Puebla Puebla Mexico
6. Secretary of Research and Postgraduate Studies Faculty of Medicine Benemérita Universidad Autónoma de Puebla Puebla Mexico
7. State Research and Education Department UMAE Instituto Mexicano del Seguro Social Puebla Mexico
8. Laboratorios Clínicos de Puebla Puebla Mexico