1. 1Department of Community Medicine, Irrua Specialist Teaching Hospital, Irrua, Nigeria.
2. 3Department of Community Medicine, Delta State University Abraka, Nigeria.
3. 4Accident and Emergency Unit, Irrua Specialist Teaching Hospital, Irrua, Nigeria.
4. 5Department of Community Health and Primary Health Care, Ambrose Alli University Ekpoma, Nigeria.