1. Department of Pathology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China.
2. Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
3. Department of Radiation Oncology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
4. Department of Pathology, 920th Hospital of Joint Logistics Support Force of PLA, Kunming, Yunnan, China.