Professor of Medicine (Respiratory Medicine), University of British Columbia

Professor Emeritus, Monash University

Professor of Respiratory Physiotherapy, State University of Londrina, Brazil

Professor of Medicine, School of Medicine, University of Sao Paulo, Brazil

Prof. Dr. med., University of Zurich

Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea

Professor of Respiratory Physiotherapy, University of Sydney

Professor of Radiology, University of Utah

Servicio de Neumologia. Hospital Universitario 12 de Universitario

Department of Physiotherapy, Manipal University