About the Authors

Daniel Axelsson

Contributed equally to this work with: Daniel Axelsson, Jan Brynhildsen, Marie Blomberg

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Validation, Visualization, Writing – original draft

danaxl@yahoo.se

Affiliation Department of Obstetrics and Gynecology, Ryhov County Hospital, Jönköping, Sweden and Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden

Jan Brynhildsen

Contributed equally to this work with: Daniel Axelsson, Jan Brynhildsen, Marie Blomberg

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Resources, Supervision, Validation, Writing – review & editing

Affiliation Department of Obstetrics and Gynecology, and Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden

Marie Blomberg

Contributed equally to this work with: Daniel Axelsson, Jan Brynhildsen, Marie Blomberg

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – review & editing

Affiliation Department of Obstetrics and Gynecology, and Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden

Competing Interests

The authors have declared that no competing interests exist.