About the Authors

Sylvester A. Mwidunda

Affiliation Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, Morogoro, Tanzania

Hélène Carabin

Affiliation Department of Epidemiology and Biostatistics, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, United States of America

William B. M. Matuja

Affiliation Department of Neurology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania

Andrea S. Winkler

‡ These authors contributed equally to the conceptual work of the manuscript.

Affiliation Department of Neurology, Technical University of Munich, Munich, Germany

Helena A. Ngowi

h_ngowi@yahoo.com

‡ These authors contributed equally to the conceptual work of the manuscript.

Affiliation Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, Morogoro, Tanzania

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SAM HAN HC ASW WBMM. Performed the experiments: SAM. Analyzed the data: SAM HC HAN. Wrote the paper: SAM HAN HC ASW WBMM.