About the Authors
- Joel C. Chehab
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* E-mail: jchehab06@gmail.com
Affiliation Centers for Disease Control and Prevention, Pretoria, South Africa
- Amanda K. Vilakazi-Nhlapo
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Affiliation National Department of Health, Pretoria, South Africa
- Peter Vranken
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Affiliation Centers for Disease Control and Prevention, Pretoria, South Africa
- Annatjie Peters
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Affiliation Centers for Disease Control and Prevention, Pretoria, South Africa
- Jeffrey D. Klausner
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Affiliation Centers for Disease Control and Prevention, Pretoria, South Africa
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Created study design: JCC AKV PV AP JDK. Wrote study protocol: JCC. Created standardized questionnaire: JCC AKV PV AP JDK. Helped conduct data collection: JCC AKV. Inputed data: JCC. Reviewed and contributed to manuscript: AKV PV AP JDK. Provided inputs in data analysis methods: PV JDK. Conceived and designed the experiments: JCC AKV PV AP JDK. Analyzed the data: JCC. Wrote the paper: JCC.