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 findings suggest that both HDL concentration and the dynamics of cholesterol transport through HDL ( i . e . , reverse cholesterol transport ) determine the anti - atherogenicity of the HDL fraction .
### Output Text:
The findings suggest that both HDL concentration and the dynamics of cholesterol transport through HDL ( i . e . , reverse cholesterol transport ) determine the anti - atherogenicity of the HDL fraction . 