Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Refsum disease, infantile form ?
    ### Response:
    What are the signs and symptoms of Refsum disease, infantile form? The Human Phenotype Ontology provides the following list of signs and symptoms for Refsum disease, infantile form. If the information is available, the table below includes how often the symptom is seen in people with this condition.
    