Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) DOORS syndrome ?
    ### Response:
    DOORS syndrome is a disorder involving multiple abnormalities that are present from birth (congenital). "DOORS" is an abbreviation for the major features of the disorder including deafness; short or absent nails (onychodystrophy); short fingers and toes (osteodystrophy); developmental delay and intellectual disability (previously called mental retardation); and seizures.
    