. 2019 Dec;19(4):3127–3135. doi: 10.4314/ahs.v19i4.35
© 2019 Ragazzoni et al.
Licensee African Health Sciences. This is an Open Access article distributed under the terms of the Creative commons Attribution License (https://creativecommons.org/licenses/BY/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 3.
