Funding
humour, Humor
Open Access funding enabled and organized by Projekt DEAL. The non-profit organization Humour Helps to Cure (Humor Hilft Heilen) provided partial financial support. The salary for the humour coaches who conducted the humour interventions. Their feedback was focused on the description of the intervention in this manuscript. The data collection, analysis, and interpretation were performed by the first author. The 6th author is funding member of Humour Helps to Cure. He gave feedback to the manuscript from a professional point of view.