About the Authors

Martin Hult

Contributed equally to this work with: Martin Hult, Per Tornhammar, Peter Ueda

Affiliation Department of Clinical Science, Intervention and Technology, Karolinska Institute, Stockholm, Sweden

Per Tornhammar

Contributed equally to this work with: Martin Hult, Per Tornhammar, Peter Ueda

Affiliation Department of Clinical Science, Intervention and Technology, Karolinska Institute, Stockholm, Sweden

Peter Ueda

Contributed equally to this work with: Martin Hult, Per Tornhammar, Peter Ueda

Affiliation Department of Clinical Science, Intervention and Technology, Karolinska Institute, Stockholm, Sweden

Charles Chima

Affiliation University of Nigeria Teaching Hospital, Enugu, Nigeria

Anna-Karin Edstedt Bonamy

Affiliation Department of Women's and Children's Health, Karolinska Institute, Stockholm, Sweden

Benjamin Ozumba

Affiliation University of Nigeria Teaching Hospital, Enugu, Nigeria

Mikael Norman

mikael.norman@ki.se

Affiliation Department of Clinical Science, Intervention and Technology, Karolinska Institute, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MH PT PU CC AKEB BO MN. Performed the experiments: MH PT PU CC BO. Analyzed the data: MH PT PU AKEB MN. Wrote the paper: MH PT PU CC AKEB BO MN.