Clinical trial awareness and participation attitudes among patients with epidermolysis bullosa and their caregivers: a nationwide cross-sectional study from Saudi Arabia - Ashjan Alheggi; Saifaleslam A. Mahmoud; Danah Alali; Abrar Bukhari; Salma Albargawi; Rayan Alkhodair; Christine Wagger; Sophie Kitzmueller (Frontiers in Medicine, 2026)