***Dexamethasone was given as per the HLH 2004 trial, although with a shorter duration: 10 mg/m2/day for 7 days, followed by 5 mg/m2/day for another 7 days, followed by 2.5 mg/m2 for 7 days and 1.25 mg/m2 for 2 days and then a tapering dose with hydrocortisone