Inclusion Criteria:  The subject must be an adult (age>17) and either sex.  Written informed consent must be obtained prior to study enrollment.  a. A subject who is eighteen (18) years or older must be willing to give written informed consent and must agree to comply with study procedures.  Subject must be able to read and write in English.  Exclusion Criteria:  The subject is currently receiving or has received within the past thirty (30) days of the study visit an experimental biologic, drug, or device including either treatment or therapy. The subject has previously participated in this research study.