1. Eye Hospital, First Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
2. Academician Workstation, Harbin Medical University and Heilongjiang Academy of Medical Sciences, Harbin, Heilongjiang 150081, P.R. China
3. Department of Laboratory Diagnosis, First Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
4. Department of Dermatology, Osaka City University Graduate School of Medicine, Osaka 545‑8585, Japan