Department of Dermatology, Chinese People's Liberation Army General Hospital, Beijing, China;
Department of Dermatology, Zhu Ri He Base Hospital of Beijing Military Command, Inner Mongolia, China;
Department of Dermatology, Department of Ultrasound, General Hospital of Beijing Military Command, Beijing, China;
Department of Dermatology, Department of Ultrasound, General Hospital of Beijing Military Command, Beijing, China;
Department of Dermatology, Department of Ultrasound, General Hospital of Beijing Military Command, Beijing, China;
Department of Dermatology, Department of Ultrasound, General Hospital of Beijing Military Command, Beijing, China;
Department of Dermatology, Department of Ultrasound, General Hospital of Beijing Military Command, Beijing, China;
Department of Dermatology, Department of Ultrasound, General Hospital of Beijing Military Command, Beijing, China;
Department of Dermatology, Department of Ultrasound, General Hospital of Beijing Military Command, Beijing, China;