<qa>  What is the name of the participant who must enroll in the MURDOCK Study Community RegistryParticipants must enroll or have enrolled in the MURDOCK Study Community Registry and Biorepository prior to joining this Severe Acne Study. At the MURDOCK Study visit, or after the participant has enrolled in the MURDOCK Study, they will be asked either in person or via phone if they would be willing to join the Severe Acne Study. 