1 Key Laboratory of Whole-Period Monitoring and Precise Intervention of Digestive Cancer, Shanghai Municipal Health Commission (SMHC), Minhang Hospital, Fudan University, Shanghai, China.
2 Medical Clinic and Policlinic IV, Ludwig-Maximilian-University (LMU), Munich, Germany.
3 General, Visceral and Cancer Surgery, University Hospital of Cologne, Cologne, Germany.