1. Rangaraya Medical College, Kakinada, Andhra Pradesh, India
2. Squad Medicine and Research (SMR), Vishakapatnam, Andhra Pradesh, India
3. Government Medical College, Nalgonda, Telangana, India
4. Department of Research, Medical Research Circle, Bukavu, Democratic Republic of Congo
5. Department of Medicine, Raiganj Government Medical College and Hospital, Raiganj, West Bengal, India
6. Cambridge University Hospitals NHS Foundation Trust Hills Road, Cambridge, UK