1. Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, P.R. China
2. Department of Dermatology, Affiliated Wuxi Children's Hospital, Nanjing Medical University, Wuxi, Jiangsu 214023, P.R. China
3. Department of Dermatology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, P.R. China