[1] Seth GS Med Coll & KEM Hosp, Dept Pathol, Cardiovasc & Thorac Div, Bombay 400012, Maharashtra, India
[2] Seth GS Med Coll & KEM Hosp, PK Sen Dept Cardiovasc & Thorac Surg, Mumbai 400012, Maharashtra, India
[3] Mayo Clin, Dept Pathol, Scottsdale, AZ USA