. 2017 Jan 26;12(1):e0170215. doi: 10.1371/journal.pone.0170215
© 2017 Defres et al
This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Fig 2. Flow chart of inclusion of patients in this study.
