Hospital San Pedro de Alcántara. Cáceres

Director Médico de la Clínica Universidad de Navarra

National and Kapodistrian University of Athens, School of Medicine

Distinguished University Professor, The Ohio State University

Professor, Boston Children's Hospital, Harvard Medical School

University of Minnesota

Professor of Medicine, McMaster University

UCLA Medical Center/Imperial College London

Professor of Medicine and Biochemistry and Biomedical Sciences, McMaster University

McMaster University