EClinicalMedicine 1 (2018) 21–27
https://doi.org/10.1016/j.eclinm.2018.06.005
2589-5370/© 2018 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
EClinicalMedicine: journal homepage: https://www.journals.elsevier.com/ eclinicalmedicine
Research Paper