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: AO - GLD mutations , including those found here , are located in the N - terminus ( I66M , G270D , 535 - 573del ) or C - terminus ( L618S ) of the GALC enzyme , whereas the reported mutations in the infantile form ( IF - GLD ) are in the central domain .
### Output Text:
<span class="disease">AO - GLD</span> mutations , including those found here , are located in the N - terminus ( I66M , G270D , 535 - 573del ) or C - terminus ( L618S ) of the GALC enzyme , whereas the reported mutations in the infantile form ( <span class="disease">IF - GLD</span> ) are in the central domain . 