Distinguished Professor and Past Chairman of Otolaryngology, SUNY Downstate Medical …

Professor, School of Medicine, Griffith University

Associate Professor, Division of Paediatrics, University of Western Australia

Professor of Pediatrics, University of Pittsburgh, Children's Hospital of Pittsburgh

Case Western Reserve University

Associate Professor, Otolaryngology-Head and Neck Surgery

Clinical Professor University of Western Australia

Professor Of Otolaryngology--Head and Neck Surgery, Drexel University School of Medicine

Seoul National University

Professor of General Practice, University of Southern Denmark