Jaime A. Hernandez

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OBJECTIVE To determine the influence of socioeconomic factors on disease activity in a Latin American (LA) early rheumatoid arthritis (RA) multinational inception cohort at baseline. METHODS Clinical evaluation, ethnicity, socioeconomic status (SES), 4-variable Disease Activity Score in 28 joints using the erythrocyte sedimentation rate (DAS28-ESR),(More)
OBJECTIVE To develop guidelines for Musculoskeletal Ultrasound (MSKUS) training for rheumatologists in the Americas. METHODS A total of 25 Rheumatologists from 19 countries of the American Continent participated in a consensus-based interactive process (Delphi method) using 2 consecutive electronic questionnaires. The first questionnaire included the(More)
In this paper a process of creating ontologies system based on other existing ontologies is described, in order to response biomedical spatial queries on the Web. GeOntoMex is a Mexican spatial ontology, which is structured according to its political-administrative division, in addition, axioms are defined to represent the spatial relationships between(More)
Geographic Information Systems (GIS) and services describe formalized knowledge from spatial domain. GIS use spatial data referring to places names (toponyms) in a geographical space, which could be ambiguous. Ontologies allow support for storing information in this context, providing a structure which defines the data integration and also supports toponyms(More)
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