1 Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar.
2 Department of Orthopaedics, Government Medical College, Karur, Tamil Nadu, India; Faculty of Engineering, Department of Biotechnology, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, India; Orthopedic Research Group, Coimbatore, Tamil Nadu, India.
3 Orthopedic Surgery Department, Medical City Complex, Baghdad, Iraq.
4 Department of Orthopaedics, Golden Jubilee National Hospital, Glasgow, Scotland, United Kingdom.
5 Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
6 Department of Orthopedics, Covenant Medical Center, Saginaw, Michigan.
7 Faculty of medicine and Health Sciences, Division of orthopaedic Surgery, University of Stellenbosch, South Africa.
8 Department of Orthopaedic Surgery, Helios ENDO-Clinic Hamburg, Hamburg, Germany.