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Table 1 Keywords for literature search classified by three comprehensive concepts

From: Geographic information analysis and web-based geoportals to explore malnutrition in Sub-Saharan Africa: a systematic review of approaches

Concept 1: geoinformation Concept 2: public health Concept 3: spatial focus
“remote sens*” *nutrition OR wasting OR stunting OR undernourish* *Africa*
GIS OR “geographic* information system*” “food access” OR “food supply” OR “food production” OR “food *security”  
spatial OR “space-time” OR geospatial geostat*