WHO International Classification of Diseases (ICD) Revision Process: incorporating rare diseases into the classification scheme: state of art

@Dysautonomia @CyruxiME @vijayiyer312 @MECFSNews 2/2 Without aetiology or mechanism this makes classification problematic but, one would hope, not impossible. Bearing in mind the difficulties in attracting funding, classification is critical. @JanetDafoe @