1. Substance Use Epidemiology Program Rhode Island Department of Health Providence Rhode Island USA
2. Division of Infectious Diseases The Miriam Hospital Providence Rhode Island USA
3. Department of Epidemiology Brown University Providence Rhode Island USA
4. Department of Emergency Medicine Brown University Providence Rhode Island USA
5. Drug Overdose Prevention Program Rhode Island Department of Health Providence Rhode Island USA
6. Research, Data Evaluation, and Compliance Unit Rhode Island Department of Behavioral Healthcare Developmental Disabilities, and Hospitals Providence Rhode Island USA