Letters.
u.chamoli@unsw.edu.au Spine Service, Department of Orthopaedic Surgery St. George Hospital Clinical School University of New South Wales Sydney, Australia School of Mechanical and Manufacturing Engineering University of New South Wales Sydney, Australia Spine Service, Department of Orthopaedic Surgery St. George Hospital Clinical School University of New South Wales Sydney, Australia.
Uphar
U
Chamoli
Alan S
AS
Chen
Ashish D
AD
Diwan