1 Department of Anaesthesiology, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands; Quality of Care, Amsterdam Public Health, Amsterdam, The Netherlands.
2 Department of Anaesthesiology, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands.
3 Department of Anaesthesiology, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands; Quality of Care, Amsterdam Public Health, Amsterdam, The Netherlands; Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, The Netherlands. Electronic address: m.f.vanstijn@amsterdamumc.nl.