Global Barth Syndrome Treatment Market By Treatment Type (Supportive Care Therapies, Pharmacological Therapies, Gene Therapy, Others) By Drug Class (Cardiac Medications, Antibiotics, Anticoagulants, Growth Hormones, Others) By Route of Administration (Oral, Injectable, Others) By End User (Hospitals, Specialty Clinics, Homecare Settings, Others), Region and Companies – Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2026-2035