In order to participate in most studies, the participant must be able to read and write in English or Spanish and sign an Informed Consent/Assent Form prior to any procedures being performed. It is a requirement of all studies that the participant practice effective contraception during the study. Participants may be tested for drugs and alcohol during this study and should they test positive for medications not prescribed to them, they may not be compensated for the visit, time nor travel and may not be able participate in the clinical study.