The United Leukodystrophy Foundation
The European Leukodystrophy Association
The Australian Leukodystrophy Support Group
De Belangenvereniging X-gebonden Adrenoleukodystrofie
Online Mendelian Inheritance in Man (OMIM) X-ALD entry
National Organization for Rare Disorders (NORD), Inc.
The Peroxisome Database
The Human Genome Variation Society
Society for the Study of Inborn Errors of Metabolism (SSIEM)
Human ATP-Binding Cassette (ABC) transporters