Niaz Hussain
Department of Thoracic Surgery, Jinnah Postgraduate Medical Centre, Karachi, Pakistan
Waqar Ahmed Syed
Department of Thoracic Surgery, Jinnah Postgraduate Medical Centre, Karachi, Pakistan
Azfar Hussain Syed
Department of Thoracic Surgery, Jinnah Postgraduate Medical Centre, Karachi, Pakistan
Tanveer Ahmed
Department of Medicine, District Headquarters Hospital and Rawalpindi Medical College, Rawalpindi, Pakistan