1. Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
2. Department of Plant Biochemistry, Agriculture and Biological Research Institute, National Research Centre, 33 El-Bohouth St. (Former El-Tahrir St.), Dokki, Cairo 12622, Egypt
3. Chemistry of Tanning Materials and Leather Technology Department, Chemical Industries Research Institute, National Research Centre, 33 El-Bohouth St. (Former El-Tahrir St.), Dokki, Cairo 12622, Egypt
4. National Centre for Immunisation Research and Surveillance (NCIRS), Kids Research at The Children’s Hospital, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW 2145, Australia