1 Rangaraya Medical College, Kakinada, Andhra Pradesh, India.
2 Moti Lal Nehru Medical College, Prayagraj, Uttar Pradesh, India.
3 Government Medical College, Srikakulam, Andhra Pradesh, India.
4 Advanced Molecular Lab, Department of Microbiology, President Abdul Hamid Medical College, Karimganj, Kishoreganj, Bangladesh.
5 COVID-19 Diagnostic Lab, Department of Microbiology, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh.
6 COVID-19 Research @KTH, Department of Sustainable Development, Environmental Science and Engineering, KTH Royal Institute of Technology, Teknikringen 10B, SE-114 28 Stockholm, Sweden.