1. Paediatric Hepatology Unit, Faculty of Medicine, Cairo University, Cairo, Egypt
2. Paediatric Department, Al Hada Armed Forces Hospital, Taif, Saudi Arabia
3. Paediatric Surgery, Al Hada Armed Forces Hospital, Taif, Saudi Arabia
4. University of Jena, School of Biology and Pharmacy, Institute of Microbiology, Jena, Germany
5. Jena Microbial Resource Collection, Leibniz Institute for Natural Product Research and Infection Biology, Jena, Germany
6. Quality and Development, Taif University, Taif, Saudi Arabia