1. Department of Laboratory Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
2. Department of Pathology, Shantou University Medical College, Shantou, Guangdong, China
3. Department of Pathology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
4. Department of Dermatology and Skin Science, University of British Columbia, Vancouver, British Columbia, Canada