Following publication of the original article [1], two affiliations were missed for the author Hassen Aydi. The correct affiliations of the author Hassen Aydi are as follows:
- 2:
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Institut Supérieur d’Informatique et des Techniques de Communication, Université de Sousse, 4000, H. Sousse, Tunisia.
- 3:
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China Medical University Hospital, China Medical University, Taichung, 40402, Taiwan.
- 4:
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Department of Mathematics and Applied Mathematics, Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa.
Meanwhile, Acknowledgements and Funding sections are not completely correct in the original paper, the correct Acknowledgements and Funding sections should be as follows:
Acknowledgements
We are thankful to our esteemed reviewers for improving the quality of the paper. The authors thank the Basque Government for Grant IT1207-19.
Funding
This work was funded by the Basque Government through Grant IT1207-19.
The original paper has been updated.