International Journal of Infectious Diseases 70 (2018) 121–130
https://doi.org/10.1016/j.ijid.2018.03.007
1201-9712/© 2018 The Authors. Published by Elsevier Ltd on behalf of International Society for Infectious Diseases. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).