1. Department of Pediatric Cardiology, Super Specialty Hospital (Pradhana Mantri Swasthya Suraksha Yojana), Bengaluru Medical College and Research Institute, Bengaluru, Karnataka, India,
2. Department of Cardiology, Nizams Institute of Medical Sciences, Punjagutta, Hyderabad, India,
3. Department of Cardiology, Aster Hospital, Doha, Qatar,
4. Department of Health Research, ICMR, Port Blair, Andaman and Nicobar Islands, India,