SWISS100 respects data confidentiality principles and conforms with all legal requirements. The study has been approved by the Ethical Commission for Reseach with Human Participants in the cantons of Vaud (Commission cantonale d’ethique de la recherche sur l’etre humain), Tessin (Comitato etico cantonale) and Zurich (Kantonale Ethikkommission). This means that all information will be treated confidentially and the results of the study will be used only for research. The data will be kept in an anonymized format, with a numerical identifier. It will be impossible for whoever to identify participants based on the study results.