title: Primary immunodeficiency diseases: an update on the classification from the international union of immunological societies expert committee for primary immunodeficiency.
abstract: We report the updated classification of primary immunodeficiency diseases, compiled by the ad hoc Expert Committee of the International Union of Immunological Societies. As compared to the previous edition, more than 15 novel disease entities have been added in the updated version. For each disorders, the key clinical and laboratory features are provided. This updated classification is meant to help in the diagnostic approach to patients with these diseases.
authors.affiliation: Department of Pediatrics, Kuwait University Kuwait City, Kuwait.
authors.forename: Waleed
authors.initials: W
authors.lastname: Al-Herz
authors.forename: Aziz
authors.initials: A
authors.lastname: Bousfiha
authors.forename: Jean-Laurent
authors.initials: JL
authors.lastname: Casanova
authors.forename: Helen
authors.initials: H
authors.lastname: Chapel
authors.forename: Mary Ellen
authors.initials: ME
authors.lastname: Conley
authors.forename: Charlotte
authors.initials: C
authors.lastname: Cunningham-Rundles
authors.forename: Amos
authors.initials: A
authors.lastname: Etzioni
authors.forename: Alain
authors.initials: A
authors.lastname: Fischer
authors.forename: Jose Luis
authors.initials: JL
authors.lastname: Franco
authors.forename: Raif S
authors.initials: RS
authors.lastname: Geha
authors.forename: Lennart
authors.initials: L
authors.lastname: Hammarström
authors.forename: Shigeaki
authors.initials: S
authors.lastname: Nonoyama
authors.forename: Luigi Daniele
authors.initials: LD
authors.lastname: Notarangelo
authors.forename: Hans Dieter
authors.initials: HD
authors.lastname: Ochs
authors.forename: Jennifer M
authors.initials: JM
authors.lastname: Puck
authors.forename: Chaim M
authors.initials: CM
authors.lastname: Roifman
authors.forename: Reinhard
authors.initials: R
authors.lastname: Seger
authors.forename: Mimi L K
authors.initials: ML
authors.lastname: Tang