“…The remaining six articles were from Australia, Argentina, Israel, Singapore, Turkey and the United Kingdom, respectively. 24,25,27,31,34,41 Sixteen studies were case reports 8, 9, 23, 24, 26-31, 33-37, 39 , whilst three studies were case series which included between ve to eleven patients 25,32,41 . The remaining three studies were retrospective case-control studies which compared clinical characteristics and outcomes between patients with SIER and patients with ER from other aetiologies.…”