About the Authors

Tania Crucitti

tcrucitti@itg.be

Affiliation HIV/STI Reference Laboratory, Institute of Tropical Medicine, Antwerp, Belgium

Vicky Jespers

Affiliation HIV/STI Epidemiology and Control Unit, Institute of Tropical Medicine, Antwerp, Belgium

Chanda Mulenga

Affiliation Tropical Diseases Research Centre, Ndola, Zambia

Shepherd Khondowe

Affiliation Tropical Diseases Research Centre, Ndola, Zambia

Judith Vandepitte

Affiliation HIV/STI Epidemiology and Control Unit, Institute of Tropical Medicine, Antwerp, Belgium

Anne Buvé

Current address: MRC/UVRI Uganda Research Unit on AIDS, Entebbe, Uganda

Affiliation HIV/STI Epidemiology and Control Unit, Institute of Tropical Medicine, Antwerp, Belgium

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TC CM AB. Performed the experiments: TC CM SK. Analyzed the data: VJ JV AB. Contributed reagents/materials/analysis tools: SK. Wrote the paper: TC VJ AB. Supervised data collection: SK.