About the Authors

Elke Wünnenberg

Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Visualization, Writing – original draft, Writing – review & editing

elke.wuennenberg@singende-krankenhaeuser.de (EW); nicola.baumann@uni‐trier.de (NB)

Affiliations University of Trier, Trier, Germany, International Initiative Singing Hospitals, Stuttgart, Germany

Nicola Baumann

Roles Data curation, Formal analysis, Methodology, Software, Supervision, Visualization, Writing – review & editing

elke.wuennenberg@singende-krankenhaeuser.de (EW); nicola.baumann@uni‐trier.de (NB)

Affiliation University of Trier, Trier, Germany

Competing Interests

The authors have declared that no competing interests exist.