Professor at Department of Orthopedic Surgery, El-Minia University Hospital, El-Minia - EGYPT.

University College of Medical Sciences, Delhi - INDIA.

Orthopaedic surgeon

Hull University Teaching Hospitals NHS Trust - Hull - UK.

Federal University of Triângulo Mineiro, Uberaba School of Medicine, MG - BRAZIL. 

infectious disease specialist

Mayo Clinic Hospital

Rochester, Minnesota - USA.

Infectious Diseases specialist

Monash University, Melbourne - AUSTRALIA. 

Clinical Microbiology,

Dept. of Biomedical Sciences for Health, University of Milan

Milano - ITALY

Faculty of Medicine 

King Saud University (Formerly University of Riyadh)

Riyadh - SAUDI ARABIA

Professor of Orthopaedics and Head of the Orthopaedic Dept, October 6 University, Cairo - EGYPT

University "Félix Houphouët-Boigny", Abidjan - Cote d'Ivoire 

Professor of Orthopaedics and traumatology at Ain Shams University, Cairo - EGYPT

Director & head of the Department of Orthopaedics at Sir H. N. Hospital and Research Centre, Mumbai - INDIA.

Clinical  Professor, Orthopaedics,

KMCT Medical College, Manassery, Kozhikode

Kerala - INDIA

Professor, Orthopaedics, Department of Orthopedics and Traumatology - Medical School - Marmara University, Istanbul - TURKEY

Department of Orthopedics and Trauma Surgery of Grand-Yoff General Hospital - Cheikh Anta Diop University, Dakar - SENEGAL

Professor in Orthopaedics, Medical School Athens University, Athens - GREECE