Process all events
process_all(epi_id, events, metadata, cadence, params, time_boundaries)
an integer vector of episode_ids to process
a collected CC-HIC events table in the EAV style
a collected CC-HIC metadata table
baseline time cadence for extraction
a table containing exactly 3 columns called: code_name, short_name and coalesce_rows. The coalesce rows column should contain a summary function which is used when duplicate row level data is present.
time boundaries of the extraction with respect to ICU admission times