1. Laboratory for Intensive Care Research and Optical Spectroscopy, Department of General Surgery 10M, Erasmus University Rotterdam and University Hospital Rotterdam “Dijkzigt”, Dr. Molewaterplein 40, 3015 GD Rotterdam, The Netherlands, Institute of Medical Microbiology and Infectious Diseases, University Hospital Rotterdam “Dijkzigt”, Dr. Molewaterplein 40, 3015 GD Rotterdam, The Netherlands, and Spectroscopy Products Division, Renishaw plc, Old Town, Wotton-under-Edge, Gloucestershire GL 12 7DW, United...