1 Center for Perioperative Optimization, Department of Surgery, Herlev Hospital, University of Copenhagen, Borgmester Ib Juuls Vej 1, 2730, Herlev, Denmark. hjalde.o@gmail.com.
2 Center for Perioperative Optimization, Department of Surgery, Herlev Hospital, University of Copenhagen, Borgmester Ib Juuls Vej 1, 2730, Herlev, Denmark.