Correspondence to:
Juan Xiao
Department of Pediatrics, Peking Union Medical College Hospital, Peking
Union Medical College, Chinese Academy of Medical Sciences, No.1
Shuaifuyuan Wangfujing Dongcheng District, Beijing 100730, China.
Email: xiaojuan@pumch.cn
Running title: Efficacy of HCQ in children with chronic ITP and
its association with ANA.