1. Department of Clinical Laboratory Shanghai Chest Hospital Shanghai Jiao Tong University School of Medicine No. 241, West Huaihai Road Shanghai 200030 P. R. China
2. School of Public Health Shanghai Jiao Tong University School of Medicine No. 227, South Chongqing Road Shanghai 200025 P. R. China
3. Shanghai Institute of Thoracic Oncology Shanghai Chest Hospital Shanghai Jiao Tong University School of Medicine No. 241, West Huaihai Road Shanghai 200030 P. R. China
4. National Center for Organic Mass Spectrometry in Shanghai Shanghai Institute of Organic Chemistry Chinese Academy of Sciences No. 345, Lingling Road Shanghai 200032 P. R. China
5. State Key Laboratory for Oncogenes and Related Genes School of Biomedical Engineering Institute of Medical Robotics and Med‐X Research Institute Shanghai Jiao Tong University No. 1954, Huashan Road Shanghai 200030 P. R. China
6. Faculty of Medical Laboratory Science College of Health Science and Technology Shanghai Jiao Tong University School of Medicine No. 227, South Chongqing Road Shanghai 200025 P. R. China