1. Department of Laboratory Medicine, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510080, People's Republic of China
2. Department of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510080, People's Republic of China
3. Department of Internal Medicine, Medical Intensive Care Unit and Division of Respiratory Diseases, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, People's Republic of China
4. Department of Gynaecology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510080, People's Republic of China
5. Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, 523808, People's Republic of China