1 Systemic Autoimmune Diseases Research Unit, Specialties Hospital UMAE- CIBIOR, Mexican Institute for Social Security, Puebla, Puebla, Mexico.
2 Department of Rheumatology, Medicine School, Meritorious Autonomous University of Puebla, Puebla, Mexico.
3 Systemic Autoimmune Diseases Research Unit, Specialties Hospital UMAE- CIBIOR, Mexican Institute for Social Security, Puebla, Puebla, Mexico. pamela.munguia@yahoo.com.mx.
4 Department of Rheumatology, Medicine School, Meritorious Autonomous University of Puebla, Puebla, Mexico. pamela.munguia@yahoo.com.mx.
5 Research in Health Coordination, Mexican Social Security Institute, Puebla, Mexico.
6 Health Research Medical Coordinator, Mexican Social Security Institute, Puebla Delegation, Puebla, Mexico.
7 Specialties Hospital, Centro Médico Nacional "Manuel Ávila Camacho", IMSS, Puebla, Mexico.