1. Université de Sousse, Institut Supérieur d’Informatique et des Techniques de Communication, H. Sousse, Tunisia + Department Of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan + Department of Mathematics and Applied Mathematics, Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa
2. Department of Engineering Science, Bandırma Onyedi Eylül University, Bandırma, Balıkesir, Turkey
3. Department of Mathematics, College of Al Wajh, University of Tabuk, Saudi Arabia + Department of Mathematics, Faculty of Sciences, Al-Azhar University, Assiut , Egypt
4. Institut préparatoire aux études d’ingénieurs de Bizerte, Carthage University, Tunisia