“…The disease rarely occurs in children, with previous reports involving children aged 1.7-10 years [1,7,17,20,28,32,36,43]. Female is more likely to be affected, with the female to male ratio of 4-7:1 [5,13,23]. Previous studies [23,27,30] reported an increased incidence during summer, but other studies did not show a seasonal trend [4,15].…”