Professor of Medicine, Division of Pulmonary and Critical Care Medicine, University of Michigan, Ann Arbor, Michigan, USA.

Associate Professor of Pediatrics, Indiana University/Indiana University Health, Dept of Pediatric Pulmonary…

Assistant Professor of Medicine, Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, USA.

Associate Professor of Medicine, Loma Linda University School of Medicine, USA.

Associate Professor and Chief of Interventional Pulmonology, University of Mississippi Medical Centre, USA.

Associate Professor of Clinical Medicine, Université Laval, Canada; Allergy Department, La Malbaie Hospital, Quebec City, Quebec, Canada.

The University of Texas MD Anderson Cancer Center, USA. Adjunct Professor; Tecnológico de Monterrey’s Ignacio Santos Medical School, Mexico.