In the sentence extracted from biomedical literature, identify all the disease entities. The required answer format is the same sentence with HTML <span> tags to mark up specific entities. 
### Entity Markup Guides:
Use <span class="disease"> to denote a disease.

### Input Text: This question is of particular interest for the human enzyme galactose - l - phosphate uridylyl - transferase ( GALT ) , impairment of which results in the inherited metabolic disorder galactosemia , because many if not most patients studied to date are compound heterozygotes rather than true molecular homozygotes .
### Output Text:
This question is of particular interest for the human enzyme galactose - l - phosphate uridylyl - transferase ( GALT ) , impairment of which results in the <span class="disease">inherited metabolic disorder</span> <span class="disease">galactosemia</span> , because many if not most patients studied to date are compound heterozygotes rather than true molecular homozygotes . 