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 sequence analysis provides the basis for a comprehensive mutation screening of CHRNA4 in the above - mentioned phenotypes and possibly in other types of idiopathic epilepsies . .
### Output Text:
The sequence analysis provides the basis for a comprehensive mutation screening of CHRNA4 in the above - mentioned phenotypes and possibly in other types of <span class="disease">idiopathic epilepsies</span> . . 