Epidemiologic and clinical differences between early-onset and later-onset childhood vitiligo, a retrospective cohort study

Supplementary Materials for "Epidemiologic and clinical differences between early-onset and later-onset childhood vitiligo, a retrospective cohort study".《早发型与晚发型儿童白癜风的流行病学及临床差异：一项回顾性队列研究》补充材料