About the Authors

Sophie Pils

Contributed equally to this work with: Sophie Pils, Regina Promberger, Stephanie Springer, Elmar Joura

Affiliation Department of Gynecological Endocrinology and Reproductive Medicine, Medical University of Vienna, Vienna, Austria

Regina Promberger

Contributed equally to this work with: Sophie Pils, Regina Promberger, Stephanie Springer, Elmar Joura

Affiliation Department of Obstetrics and Gynecology, Saint John of God Hospital Eisenstadt, Burgenland, Austria

Stephanie Springer

Contributed equally to this work with: Sophie Pils, Regina Promberger, Stephanie Springer, Elmar Joura

Affiliation Department of Gynecological Endocrinology and Reproductive Medicine, Medical University of Vienna, Vienna, Austria

Elmar Joura

Contributed equally to this work with: Sophie Pils, Regina Promberger, Stephanie Springer, Elmar Joura

Affiliation Department of Gynecological Endocrinology and Reproductive Medicine, Medical University of Vienna, Vienna, Austria

Johannes Ott

johannes.ott@meduniwien.ac.at

Affiliation Department of Gynecological Endocrinology and Reproductive Medicine, Medical University of Vienna, Vienna, Austria

Competing Interests

None of the authors report any conflict of interest accept Elmar Joura. Elmar Joura reports having received grant support paid to his institution from Merck and GlaxoSmithKline; advisory board fees from Merck and Sanofi Pasteur MSD. The grant support received from Merck and GlaxoSmithKline does not relate to the study in the submitted manuscript at all. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SP RP SS EJ JO. Performed the experiments: SP JO. Analyzed the data: SP JO. Contributed reagents/materials/analysis tools: SP EJ JO. Wrote the paper: SP RP SS EJ JO.