title: Letter to editor.
authors: Graded Specialist (paediatrics) and Neonatologist, Command Hospital (Eastern Command), Kolkatta, India.
authors: Subhash Chandra
authors: SC
authors: Shaw
authors: Graded Specialist (Paediatrics), Command Hospital (Eastern Command), Kolkata, India.
authors: Sweta
authors: S
authors: Mukherjee