About the Authors

Wim H. van Brakel
Royal Tropical Institute (KIT), Amsterdam, The Netherlands

Peter G. Nicholls
School of Nursing and Midwifery, University of Southampton, Southampton, United Kingdom

Einar P. Wilder-Smith
Division of Neurology, National University Hospital, Singapore

Loretta Das
Naini Community Hospital, Allahabad District, Uttar Pradesh, India

Pramila Barkataki
TLM Hospital Faizabad, Faizabad District, Uttar Pradesh, India

Diana N. J. Lockwood
London School of Hygiene and Tropical Medicine, London, United Kingdom

Corresponding Author

w.v.brakel@kit.nl

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WvB. Performed the experiments: EW LD PB. Analyzed the data: PN. Wrote the paper: WvB. Supervised laboratory methods during the study, and performed several major edits of the draft manuscript: DL Supervised neurological testing and contributed to the writing of the paper: EW.