1. Department of Thoracic Oncology, The Third Clinical Medical College of Xinjiang Medical University, The Affiliated Tumor Hospital Xinjiang Medical University, Urumqi, Xinjiang 830011, P.R. China
2. Department of Geriatric, The First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang 832000, P.R. China
3. Outpatient Department, People's Liberation Army 69260 Troops of Medical Team, Urumqi, Xinjiang 830002, P.R. China