. 2017 Oct 26;12(10):e0184506. doi: 10.1371/journal.pone.0184506
© 2017 Kim 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 1. Flow-chart of the included participants.
