is question type collects Open-Ended Question - Free Text SickleInAfrica Core Data Element SickleInAfrica CDE - Site Participant Number Question 3 The Sickle in Africa core data element that records the site-specific unique identifier that was assigned to the study participant by the data collectors at the data collection site. text Demographics Site participant number participant_number Site-specific ID eg. GH20181234 for Ghana, NG20184321 for Nigeria or TZ20180001 for Tanzania Site Participant Number