Ideas in this flowchart

• Author contributions to the study
• Karin Weissenborn and Gernot Beutel contributed equally as senior authors.
• Conceptualization: K.W., G.B. and H.E.
• Data curation: M.F.
• Formal analysis: M.F. and A.G.
• Funding acquisition: K.W.
• Investigation: M.F., N.G., M.D., A.K.H., S.G., H.E., R.B., K.W. and G.B.
• Methodology: M.F., A.G., K.W. and G.B.
• Supervision: K.W. and G.B.
• Writing—original draft: M.F.
• Writing—review and editing: M.F., A.G., N.G., M.D., A.K.H., S.G., H.E., R.B., K.W. and G.B.