. 2018 Nov 5;7:212552. doi: 10.7573/dic.212552
Copyright © 2018 Blanco C, Bazire R, Argiz L, Hernández-Peña J.
Published by Drugs in Context under Creative Commons License Deed CC BY NC ND 4.0 which allows anyone to copy, distribute, and transmit the article provided it is properly attributed in the manner specified below. No commercial use without permission.
Figure 1.
PRISMA flow diagram.