Department of Orthopaedics and Sports Medicine, Harborview Medical Center, Seattle, Washington, USA

Department of Urology, General Hospital of Rethymnon, Crete, Greece

Department of Chiropractic and Physiotherapy, New York Medical Group, Hong Kong, Hong Kong

Azienda USL di Ferrara, Delta Hospital, Ferrara, Italy

Department of Urology, Medical School of São José do Rio Preto, São Jose Rio Preto, Brazil

Instituto de Ensino e Pesquisa do Hospital Sírio Libanês (IEP/HSL), São Paulo, Brazil

Department of Oncosurgery, Pushpadi cancer care centre, Kota, Rajasthan, India

Department of Pathology, SUNY Upstate Medical University, Syracuse, New York, USA

Department of Neurosurgery, University of Greifswald, Greifswald, Germany

Department of Internal Medicine, Sisters of Charity Hospital, Buffalo, NY, USA

ENT Registrar – East Midland Deanery, UK

Department of Hematology and Oncology, Tartu University Hospital, North Estonia Medical Centre, Estonia

Department of General Thoracic Surgery, NTT Medical Center Tokyo, Tokyo, Japan

Department of Radiation Oncology, University Hospital HM Puerta del Sur, Mostoles, Madrid, Spain.

St. George’s University, West Indies, Grenada, USA