1. Department of General Surgery (NUTRIM); Maastricht University; Postbus 616 6200 MD Maastricht The Netherlands
2. Maastricht MultiModal Imaging Institute (M4I); Division of Imaging Mass Spectrometry; Maastricht University; Postbus 616 6200 MD Maastricht The Netherlands
3. Department of Radiation Oncology (MAASTRO, GROW); Maastricht University; Postbus 616 6200 MD Maastricht The Netherlands
4. Department of Biochemistry (CARIM); Maastricht University; Postbus 616 6200 MD Maastricht The Netherlands
5. Department of Human Biology and Movement Sciences (NUTRIM); Maastricht University; Postbus 616 6200 MD Maastricht The Netherlands
6. Department of General, Visceral and Transplantation Surgery; University Hospital RWTH Aachen; 52075 Aachen Germany