Institution: | 1. Department of Dermatology, People's Hospital of Xinjiang, Uyghur Autonomous Region, Urumqi, Xinjiang, China;2. Department of Dermatology, People's Hospital of Liaocheng, Liaocheng, Shandong, China;3. Department of Pathology, People's Hospital of Xinjiang, Uyghur Autonomous Region, Urumqi, Xinjiang, China;4. Department of Dermatology, Central Hospital of China National Petroleum Corporation, Langfang, Hebei, China |