aBone and Joint Reconstruction Research Center, Department of Orthopedics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran

bDepartment of Orthopedic Surgery, Farhikhtegan Hospital, Faculty of Medicine, Tehran Medical Sciences Islamic Azad University, Tehran, Iran

cDepartment of Orthopedic and Trauma surgery, Taleghani Hospital, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran

Financial Disclosure: The authors report no conflicts of interest.

Correspondence to Ali Mousapour, MD, Shafa Orthopedic Hospital, Baharestan Square, Tehran, 1157637131, Iran. Tel.: +98 9129581002. Fax: +98 (21) 33542020, e-mail: [email protected].