Patients unable to provide informed consent Patient refuses or is unable to provide written informed consent Patients unable or unwilling to provide informed consent. Adults who are unable to provide informed consent will NOT be enrolled on this study DONOR: Unwilling or unable to provide informed consent Patients unable to provide informed consent. Unable to provide written informed consent Unwilling or unable to provide informed consent Patients who are unable to provide informed consent, are incarcerated, or are unable to follow protocol requirements. Unable and unwilling to provide informed consent Adults who are unable to provide informed consent will NOT be enrolled on this study Unable to provide informed consent Patients unwilling or unable to provide informed consent for the study Unable or unwilling to provide informed consent. Patients unable to provide informed consent Unable to provide consent Unable to provide informed consent Patients unable to understand the research protocol and/or provide informed consent Unwilling to provide informed consent Patients who are unable to provide informed consent in English will be excluded Patients unable to provide informed consent In the judgment of the consenting professional is unable to provide informed consent and complete study sessions and assessment In the judgment of the consenting professional is unable to provide informed consent and complete study sessions and assessment Unable and unwilling to provide informed consent Psychiatric disorder which would render the subject unable to provide informed consent Unable to provide informed consent Are unable to provide informed consent Unwilling to provide informed consent Unable to provide medical history Patients unable to provide informed consent Unable to provide informed consent Unwilling or unable to provide informed consent Unwilling to provide informed consent Unwilling to provide informed consent Unwilling to provide informed consent Unable to provide informed consent Patients unwilling or unable to provide consent Unwilling or unable to provide consent Subjects unable to provide consent Unable to provide informed consent CONTROL (HEALTHY) GROUP: Unable to provide informed consent Participant is unable to provide informed consent Unable to provide informed consent Unable to provide informed consent Unable to provide informed consent Unable or unwilling to provide informed consent Unable to provide informed consent Patient unwilling or unable to provide informed consent. Patients unable to provide informed consent Are unable to provide informed consent Unable to provide written consent Unable to provide history Unable to provide informed consent Females unable to provide informed consent Subjects unable to provide own consent are not eligible Patients unable or unwilling to provide informed consent Patient unable to provide informed consent Those who are pregnant, claustrophobic, or unable to provide informed consent Are unable to provide informed consent Subjects unable to provide own consent are not eligible Unable to provide informed consent Unable to provide consent Unable to provide informed consent Patients unable to provide informed consent Are unable to provide informed consent Unable to provide informed consent Patient is unable (or unwilling) to provide informed or surrogate (as appropriate) consent Patients unable to provide informed consent Men who are unable to provide their own informed consent