The study was funded by an ERC-Consolidator grant awarded to Judi Mesman. PhD students Antoinette Kroes, Tessa van den Rozenberg, Laura Doornkamp, Astrid Jehle and Stefanie Esveld, co-supervised by Marleen Groeneveld and Lotte van der Pol. PhD student Laura Doornkamp was also co-supervised by Sandra Groeneveld.