1 Department of Emergency Medicine, Inselspital, Bern University Hospital, University of Bern, Switzerland.
2 Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Switzerland.
3 Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Switzerland; Laboratory of Biometry, University of Thessaly, Phytokou Street, 38446 Volos, Greece.
4 Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Switzerland. Electronic address: alexander.leichtle@insel.ch.