About the Authors

Achim Doerre

Roles Conceptualization, Formal analysis, Investigation, Methodology, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

achim.doerre@gmail.com

Affiliation Department of Economics, University of Rostock, Rostock, Germany

Gabriele Doblhammer

Roles Conceptualization, Investigation, Methodology, Resources, Validation, Writing – original draft, Writing – review & editing

Affiliation Department of Sociology and Demography, University of Rostock, Rostock, Germany

Competing Interests

The authors have declared that no competing interests exist.