1. Department of Nuclear Medicine, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
2. Nuclear Medicine Institute of Fudan University, Shanghai 200032, P.R. China
3. St Gallen Cantonal Hospital, St Gallen, CH‑9000 Switzerland
4. Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
5. Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China