About the Authors

Hans Verstraelen

hans.verstraelen@ugent.be

Affiliation Department of Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium

Chris Vervaet

Affiliation Department of Pharmaceutics, Laboratory of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium

Jean-Paul Remon

Affiliation Department of Pharmaceutics, Laboratory of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium

Competing Interests

The invention described in the manuscript is filed as a patent under references WO2013010915A1, European Patent EP2731587 A1, and US Patent 9,168,303 with assignee Ghent University. We confirm that this does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: HV CV JPR. Performed the experiments: HV CV JPR. Analyzed the data: HV CV JPR. Contributed reagents/materials/analysis tools: HV CV JPR. Wrote the paper: HV CV JPR. Conceived of the concept and study: HV. Obtained ethical approval: HV CV JPR.