Late infantile form of multiple sulfatase deficiency with a novel missense variant in the SUMF1 gene: case report and review oleh Jayesh Sheth, Siddharth Shah, Chaitanya Datar, Kaveri Bhatt, Pooja Raval, Aadhira Nair, Deepika Jain, Jhanvi Shah, Frenny Sheth, Harsh Sheth