A couple of questions came to my mind regarding possible lack of data in CDM. In epidemiology environmental factors are important and may have an impact on the results of a study, which means that such factors as the level of pollution/exposure to a harmful environment or person's income may be significant to a researcher. That's why I'd like to ask if these factors (the environment where a person spends most of his/her time and level of income) can be somehow represented in OMOP today? I believe, this information can be retrieved from both claims and hospital data, using, for example, ZIP codes (which seems to be a topic for GIS WG). Would be grateful for your opinion.