About the Authors

Kassu Desta

Affiliation Department of Microbiology, Immunology and Parasitology, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Yimtubezinash Woldeamanuel

Affiliation Department of Microbiology, Immunology and Parasitology, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Aklilu Azazh

Affiliation Department of Internal Medicine, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Halima Mohammod

Affiliation Department of Internal Medicine, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Dawit Desalegn

Affiliation Department of Gynecology & Obstetrics, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Damte Shimelis

Affiliation Department of pediatrics, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Dereje Gulilat

Affiliation Department of Surgery, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Biruk Lamisso

Affiliation Department of Orthopedics School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Eyasu Makonnen

Affiliation Department of Pharmacology, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Alemayehu Worku

Affiliation School of Public Health College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Kerstin Mannerqvist

Affiliation The Public Health Agency of Sweden, Stockholm, Sweden

Johan Struwe

Affiliation The Public Health Agency of Sweden, Stockholm, Sweden

Olov Aspevall

Affiliation The Public Health Agency of Sweden, Stockholm, Sweden

Eleni Aklillu

Eleni.Aklillu@ki.se

Affiliation Division of clinical Pharmacology, Department of Laboratory Medicine, Karolinska Institutet, SE 141 86, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EA YW JS OA KM. Performed the experiments: KD EA YW AA HM DD DS DG BL EM AW KM OA. Analyzed the data: EA YW KD. Contributed reagents/materials/analysis tools: EA YW JS OA KM. Wrote the paper: EA YW JS OA.