About the Authors

Cari Green

Roles Data curation

Affiliation Gerhard Kienle Chair, Health Department, University of Witten/Herdecke, Herdecke, Germany

Hanno Krafft

Roles Writing – original draft

Affiliation Gerhard Kienle Chair, Health Department, University of Witten/Herdecke, Herdecke, Germany

Gordon Guyatt

Roles Formal analysis

Affiliation Departments of Health Research Methods, Evidence and Impact and Medicine at McMaster University, Hamilton, Canada

David Martin

Roles Conceptualization

david.martin@uni-wh.de

Affiliations Gerhard Kienle Chair, Health Department, University of Witten/Herdecke, Herdecke, Germany, University Children’s Hospital, Tübingen University, Tübingen, Germany

Competing Interests

The authors have declared that no competing interests exist.