1. Department of Microbiology, COVID-19 Diagnostic lab, Noakhali Science and Technology University, Noakhali
2. Advanced Molecular Lab, President Abdul Hamid Medical College, Karimganj, Kishoreganj
3. Department of Microbiology, Primeasia University, Dhaka, Bangladesh
4. Department of Biochemistry and Molecular Biology, Shahjalal University of Science and Technology, Sylhet
5. Department of Statistics, Shahjalal University of Science and Technology, Sylhet
6. Department of Sustainable Development, COVID-19 Research, Environmental Science and Engineering, KTH Royal Institute of Technology, Teknikringen, Stockholm, Sweden