1. Each supplemental feed must have an id [ID] attribute column, along with at least one additional column with the data that you would like to connect to a primary feed.

2. WHO - Assist V3.0 INTERVIEWER ID ID CCOUNTRY CCLINIC PATIENT IDID DDATE INTRODUCTION ((Please read to patient Please read to patient Please read to patient )) Thank you for agreeing to take part in this brief interview about alcohol, tobacco products and other drugs