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: However , both models lack other frequent DM symptoms including the fibre - type dependent atrophy , myotonia , cataract and male - infertility .
### Output Text:
However , both models lack other frequent <span class="disease">DM</span> symptoms including the fibre - type dependent <span class="disease">atrophy</span> , <span class="disease">myotonia</span> , <span class="disease">cataract</span> and <span class="disease">male - infertility</span> . 