Supplementum 209: Joint Annual Meeting of the Swiss Society of Paediatrics (SSP) and the Swiss Society for Sleep Research, Sleep Medicine and Chronobiology (SSSSC) (Interlaken, Switzerland, June 11-12, 2015). (2015). Swiss Medical Weekly, 145(2122), Suppl. 209. https://doi.org/10.4414/smw.2015.w30261