1. Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
2. Thushara, Kollam, Kerala, India
3. Department of Organic and Bioorganic Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
4. Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy