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The submitted work is original and has not been published previously. The authors further confirm that no data, text, or theories from other sources are presented as their own. All relevant sources have been appropriately cited, and the manuscript complies with standards of academic integrity. This study did not involve human participants, human data subject to ethical approval requirements, or animals. In accordance with applicable Swiss law and regulations, no approval from an ethics committee was required for the conduct of this research.","order":1,"name":"Ethics","label":"Ethical Approval","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"All three authors declare that they have no material or financial interests related to this research. At the time of conducting this study, Michael Gerfin and Fabienne Loetscher were employed at a public university. Christian Schmid is employed by the CSS Institute, the research institute of CSS health insurance. The CSS Institute ensures the objectivity and independence of its research activities. The results published by the CSS Institute are not influenced by the interests of the CSS health insurance company.","order":2,"name":"Ethics","label":"Conflicts of Interest","group":{"name":"EthicsHeading","label":"Declarations"}}]}}