We thank the members of the TRACE Study Investigators Group.

Steering committee:

Wolfgang F.F.A. Buhreb M.D., Ph.D. buhre@umcutrecht.nl

Markus W. Hollmannc M.D., Ph.D. m.w.hollmann@amsterdamumc.nl

Christa Boerc M.Sc., Ph.D. c.boer2@uva.nl

Dianne de Korte-de Boera M.Sc., Ph.D. dianne.de.korte@mumc.nl

Annick Stolzec M.D. a.stolze@amsterdamumc.nl

Linda M. Posthumad M.D., Ph.D. l.m.posthuma@asz.nl

Valérie M. Smit-Funa M.D. v.smit.fun@mumc.nl

Sander van Kuijkj,k M.Sc., Ph.D. sander.van.kuijk@mumc.nl

Peter G. Noordzije,b M.D., Ph.D. p.noordzij@antoniusziekenhuis.nl

Myra Riniaf M.D., Ph.D. mrinia@rijnstate.nl

Jens-Peter Heringg M.D. j.p.hering@westfriesgasthuis.nl

Bas in’t Veldh M.D., Ph.D. b.in.t.veld@haaglandenmc.nl

Gert-Jan Schefferi M.D., Ph.D. gertjan.scheffer@radboudumc.nl

Collaborators:

J.S. Breelc, T. Bouwj, F. van Dijkf, J. Geurtsf, W. Glasg, R. van Gorpa, A. Jwairc, F. Kocac, I. Langee, B. Preckelc, J.P. van Royg, M. Theunissena, A.G.C.L. Wensingc and A. Wergerh

a Department of Anesthesia and Pain Medicine, Maastricht University Medical Centre + ,

Maastricht, The Netherlands.

b Department of Anesthesia, Intensive Care and Emergency Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.

c Department of Anesthesia, Amsterdam University Medical Centre, University of 

Amsterdam, Amsterdam, The Netherlands.

d Department of Anesthesia and Intensive Care, Albert Schweitzer Hospital, Dordrecht, The 

Netherlands.

e Department of Anesthesia, St. Antonius Nieuwegein, Nieuwegein, The Netherlands.

f Department of Anesthesia, Rijnstate Hospital, Arnhem, The Netherlands.

g Department of Anesthesia and Operations, Dijklander Hospital, Hoorn, The Netherlands.

h Department of Anesthesia and Pain Management, Medical Centre Haaglanden, The Hague.

i Department of Anesthesia, Pain and Palliative Medicine, Radboud University Medical 

Centre, Nijmegen, The Netherlands.

j Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht 

University Medical Centre + , Maastricht, The Netherlands.

k Care and Public Health Research Institute CAPHRI, Maastricht University, Maastricht, The 

Netherlands.