“Supplementum 233: Annual Meeting of the Swiss Society of Anaesthesiology and Resuscitation SGAR/SSAR and Swiss Association of Nurse Anesthesists SIGA/FSIA (Interlaken, Switzerland, November 8−10, 2018)” (2018) Swiss Medical Weekly, 148(4546), p. Suppl. 233. doi:10.4414/smw.2018.20435.