Correction to: Bull Natl Res Cent (2019) 43:211

https://doi.org/10.1186/s42269-019-0246-z

After publication of the original article (Youssef et al., 2019), we were notified that the corresponding author’s name has been erroneously spelled. It should be corrected from Yousef to Youssef.

The original article has been corrected.