1. Department of Lab Medicine Shandong Provincial Chest Hospital, Cheeloo College of Medicine Shandong University Jinan China
2. Department of Geriatrics Shandong Mental Health Center Jinan China
3. Department of Lab Medicine The Affiliated Hospital of Youjiang Medical University for Nationalities Baise China
4. Department of Thoracic Surgery Shandong Provincial Chest Hospital, Cheeloo College of Medicine Shandong University Jinan China