. 2018 Feb 27;33(12):e98. doi: 10.3346/jkms.2018.33.e98
© 2018 The Korean Academy of Medical Sciences.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (https://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fig. 3.
Schematic diagram of model 2.