The data presented in this analysis represents the information collected during the screening and interview session only. During this session, demographic information, individual and family medical history, and substance use history were obtained from study questionnaires, Participants provided urine and blood samples for various tests including pregnancy (in females) and hepatic function. Finally, a detailed medical history and physical examination was performed by a licensed physician to rule out medical or health problems which may exclude participation in the infusion sessions of the study.
