About the Authors
- Claudia B. M. Bijen
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Affiliation Department of Gynecologic Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Karin M. Vermeulen
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Affiliation Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Marian J. E. Mourits
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Affiliation Department of Gynecologic Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Geertruida H. de Bock
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* E-mail: g.h.de.bock@epi.umcg.nl
Affiliation Department of Gynecologic Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Analyzed the data: CB KV GdB. Wrote the paper: CB. Contributed to the study design and data interpretation: CB KV MM GdB. Checked the first draft for important intellectual content and provided many valuable comments: KV MM GdB. Approved the final version of the manuscript: CB KV MM GdB. Data collection was undertaken by: CB. Contributed to the selection and extraction of data from the included studies: CB KV.