What is the fine-grained topic of the following text: Dr. Joorabchi holds professional memberships with the following associations: American Osteopathic Association, American Osteopathic College of Otolaryngology - Head and Neck Surgery, American Academy of Otolaryngology- Head and Neck Surgery, American Academy of Cosmetic Surgery, American Academy of Otolaryngic Allergy. Only return the topic.
Dr. Joorabchi's Professional Memberships