Angelini L, Pietrogrande MC, Delle Piane MR, Zibordi F, Cinque P, Maccagnano C, Vago L. Progressive multifocal leukoencephalopathy in a child with hyperimmunoglobulin E recurrent infection syndrome and review of the literature. Neuropediatrics. 2001 Oct;32(5):250–5. doi: 10.1055/s-2001-19119. PMID: 11748496.