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: The other is in exon 11 ( G1930 - - > A ; Gly444 - - > Arg ) of the C2Q0 gene linked to the MHC haplotype A2 , B5 , DRw4 , BFS , C4A3B1 .
### Output Text:
The other is in exon 11 ( G1930 - - > A ; Gly444 - - > Arg ) of the C2Q0 gene linked to the MHC haplotype A2 , B5 , DRw4 , BFS , C4A3B1 . 