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: Four novel Swedish founding mutations were identified the nucleotide 2595 deletion A was found in five families , the C 1806 T nonsense mutation in three families , the 3166 insertion TGAGA in three families , and the nucleotide 1201 deletion 11 in two families .
### Output Text:
Four novel Swedish founding mutations were identified the nucleotide 2595 deletion A was found in five families , the C 1806 T nonsense mutation in three families , the 3166 insertion TGAGA in three families , and the nucleotide 1201 deletion 11 in two families . 