Any early infantile epileptic encephalopathy in which the cause of the disease is a mutation in the WWOX gene. The disease is MONDO_0014533 (developmental and epileptic encephalopathy, 28). Also known as: DEE28, EIEE28, WOREE syndrome, WWOX early infantile epileptic encephalopathy, WWOX-related epileptic encephalopathy, developmental and epileptic encephalopathy 28, early infantile epileptic encephalopathy caused by mutation in WWOX, epileptic encephalopathy, early infantile, 28.