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: We evaluated GALT enzyme activity and screened the GALT genes of 145 patients with one or more N314D - containing alleles .
### Output Text:
We evaluated GALT enzyme activity and screened the GALT genes of 145 patients with one or more N314D - containing alleles . 