Steffen Robert, DuPont Herbert L
University of Zurich, Epidemiology, Biostatistics and Prevention Institute, Hirschengraben 84, Zurich, CH, Switzerland.
The University of Texas-Houston School of Public Health and Medical School, Center for Infectious Diseases, 6720 Bertner MC1-164, Houston, TX, USA.
J Travel Med. 2019 May 10;26(3). doi: 10.1093/jtm/taz014.