About the Authors
Centre for Tropical Diseases, Sacro Cuore Hospital of Negrar, Verona, Italy
Department of Clinical Sciences, Prince Leopold Institute of Tropical Medicine, Antwerp, Belgium
The authors have declared that no competing interests exist.
ICMJE criteria for authorship read and met: ZB FG AA JVdE. Wrote the first draft of the paper: ZB. Contributed to the writing of the paper: ZB FG AA JVdE.