About the Authors
- Tiina Drell
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* E-mail: tiinadrell@gmail.com
Affiliations Centre for Biology of Integrated Systems, Tallinn University of Technology, Tallinn, Estonia, Competence Centre on Reproductive Medicine and Biology, Tartu, Estonia
- Triin Lillsaar
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Affiliations Centre for Biology of Integrated Systems, Tallinn University of Technology, Tallinn, Estonia, Competence Centre on Reproductive Medicine and Biology, Tartu, Estonia
- Lea Tummeleht
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Current address: Department of Infectious Diseases, Estonian University of Life Sciences, Tartu, Estonia
Affiliation Centre for Biology of Integrated Systems, Tallinn University of Technology, Tallinn, Estonia
- Jaak Simm
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Affiliation Centre for Biology of Integrated Systems, Tallinn University of Technology, Tallinn, Estonia
- Anu Aaspõllu
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Affiliation Centre for Biology of Integrated Systems, Tallinn University of Technology, Tallinn, Estonia
- Edda Väin
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Affiliation Fertilitas Hospital, Haabneeme, Estonia
- Ivo Saarma
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Affiliation Fertilitas Hospital, Haabneeme, Estonia
- Andres Salumets
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Affiliations Competence Centre on Reproductive Medicine and Biology, Tartu, Estonia, Department of Obstetrics and Gynaecology, University of Tartu, Tartu, Estonia, Institute of Biomedicine, University of Tartu, Tartu, Estonia
- Gilbert G. G. Donders
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Affiliations Department Obstetrics and Gynecology, Regional Hospital H Hart, Tienen, Belgium, Femicare vzw, Clinical Research for Women, Tienen, Belgium
- Madis Metsis
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Affiliations Centre for Biology of Integrated Systems, Tallinn University of Technology, Tallinn, Estonia, Competence Centre on Reproductive Medicine and Biology, Tartu, Estonia
Competing Interests
The study received funding from a commercial source, BiotaP LCC. The company partly financed and provided sequencing service for the project as part of their workflow development for metagenomic sequencing service. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: TD TL MM. Performed the experiments: TD TL AA. Analyzed the data: LT JS. Contributed reagents/materials/analysis tools: EV IS. Wrote the paper: TD LT GD AS.