Will replace the first sentence in the introductory paragraph with the following: The SDC specification provides an infrastructure to standardize the capture and expanded use of patient-level data collected within an EHR.? This includes two components: Support more sophisticated questionnaire/form use-cases such as those needed for research, oncology, pathology and other clinical domains. Support pre-population and auto-population of EHR data into forms/questionnaires for uses outside direct clinical care (patient safety, adverse event reporting, public health reporting, etc.). A third component - defining standards for the sharing of common data element definitions between registries to enable broader and more consistent data element use is addressed in a [second companion implementation guide] . ?