Psychological distress statistically mediates the association between vitiligo severity and health-related quality of life: a cross-sectional study from Kandahar, Afghanistan - Farooqi, Khushhal; Sharma, Sandesh; Tareen, Zarghoon; Rafiqi, Najibullah; Wafa, Mohammad; Razi, Naqibullah (Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, 2026)