*Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden;
†Center of Clinical Science, Uppsala University, County Hospital, Västerås, Sweden;
‡Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden;
§School of Health, Care and Social Welfare, Mälardalen University, Västerås, Sweden.
Address for reprints: Magdalena Mattebo, RNM, MSc, Center of Clinical Science, Central Hospital, Uppsala University, Entr 29, Västerås 721 89, Sweden; e-mail: [email protected].
Supported by the European Society of Contraception and Reproductive Health, Uppsala-Örebro Regional Research Council, and Uppsala University.
Disclosure: The authors declare no conflict of interest.
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Received August , 2013
Accepted December , 2013