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: A muscle biopsy from an Emery - Dreifuss muscular dystrophy ( EMDM ) patient showed complete absence of emerin by both Western blotting and immunohistochemistry , suggesting a simple diagnostic antibody test for EDMD families .
### Output Text:
A muscle biopsy from an <span class="disease">Emery - Dreifuss muscular dystrophy</span> ( <span class="disease">EMDM</span> ) patient showed complete absence of emerin by both Western blotting and immunohistochemistry , suggesting a simple diagnostic antibody test for <span class="disease">EDMD</span> families . 