1. Department of Microbiology Shaheed Monsur Ali Medical College Dhaka Bangladesh
2. Department of Microbiology Bangabandhu Sheikh Mujib Medical University Dhaka Bangladesh
3. Department of Rheumatology Bangabandhu Sheikh Mujib Medical University Dhaka Bangladesh
4. Department of Microbiology BashundharaAd‐din Medical College Dhaka Bangladesh
5. Medical Oncology National Institute of Cancer Research and Hospital Dhaka Bangladesh