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: PAX3 codes for a transcriptional regulator that controls developmental programs , and FKHR codes for a forkhead - winged helix protein , also a likely transcription factor .
### Output Text:
PAX3 codes for a transcriptional regulator that controls developmental programs , and FKHR codes for a forkhead - winged helix protein , also a likely transcription factor . 