Study	Reason for exclusion
Bhatt 2012	Not study design of interest. Quasi‐controlled trial of IVIG compared with standard therapy in children with acute encephalitis syndrome complicated by myocarditis. Not randomised study.
Erol 2013	Not study design of interest. Case series of children with acute disseminated encephalomyelitis. Not randomised study, no control group.
Gelli 1974	Not study of interest. Single case report.
Girija 2010	Not study design of interest. Case series of children with acute disseminated encephalomyelitis. Not randomised study, no control group.
İncecik 2013	Not study design of interest. Case series of children with acute disseminated encephalomyelitis. Not randomised study, no control group.
Růžek 2013	Not study design of interest. Single case report.
Samileh 2007	Not study design of interest. Case series of children with acute disseminated encephalomyelitis. Not randomised study, no control group.
Unay 2004	Not study of interest. Single case report.

IVIG: intravenous immunoglobulin.