1. Infectious Diseases Division, icddr,b, Dhaka, Bangladesh
2. Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria, Australia
3. Department of Respiratory Medicine, Asgor Ali Hospital, Gandaria, Dhaka, Bangladesh
4. Department of Epidemiology, Bangladesh University of Health Sciences, Darus Salam, Mirpur, Dhaka, Bangladesh