title: Author's reply.
authors: Department of Orthopedics, Physical Medicine, Paraplegia and Rehabilitation, Postgraduate Institute of Medical Sciences, Rohtak, India.
authors: Rakesh Kumar
authors: RK
authors: Gupta
authors: Vinay
authors: V
authors: Gupta
authors: Navdeep
authors: N
authors: Gupta
references: Indian J Orthop. 2012 Nov;46(6):640-5
references: 23325965
references: Indian J Orthop. 2013 Jul;47(4):429
references: 23960293