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: We tentatively isolate three different types of SJS type 1A , usually recognized in childhood , with moderate bone dysplasia , corresponding to the original descriptions of Schwartz , Jampel and Aberfeld ; type 1B , similar to type 1A but recognizable at birth , with more pronounced bone dysplasia resembling Kniest dysplasia ; and type 2 , manifest at birth , with increased mortality and bone dysplasia resembling Pyle disease .
### Output Text:
We tentatively isolate three different types of <span class="disease">SJS type 1A</span> , usually recognized in childhood , with moderate <span class="disease">bone dysplasia</span> , corresponding to the original descriptions of Schwartz , Jampel and Aberfeld ; type 1B , similar to type 1A but recognizable at birth , with more pronounced <span class="disease">bone dysplasia</span> resembling <span class="disease">Kniest dysplasia</span> ; and type 2 , manifest at birth , with increased mortality and <span class="disease">bone dysplasia</span> resembling <span class="disease">Pyle disease</span> . 