1. Department of Paediatrics, All India Institute of Medical Sciences (AIIMS), New Delhi, India
2. Department of Paediatrics, Kalawati Saran Children Hospital and Lady Hardinge Medical College, New Delhi, India
3. Division of Clinical Microbiology & Molecular Medicine, Department of Laboratory Medicine, AIIMS, New Delhi, India
4. Section for Microbiology and Immunology, Gade Institute, University of Bergen, Bergen, Norway; Department of Microbiology, Haukeland University Hospital, Bergen, Norway