1. Department of Chemistry
2. College of Science
3. University of Hail
4. Kingdom of Saudi Arabia
5. Department of Applied Biology & Chemical Technology
6. The Hong Kong Polytechnic University
7. Hung Hom
8. P. R. China
9. Department of Basic Sciences
10. College of Applied and Health Sciences
11. A’Sharqiyah University
12. Ibra 400
13. Sultanate of Oman
14. Sultan Qaboos University
15. Al-Khod 123
16. The Hong Kong Polytechnic University Shenzhen Research Institute
17. University of Bath
18. Bath BA2 7AY
19. UK