Cigdem Akincioglu1, Sanjay Mehta2. 1. Division of Nuclear Medicine, Department of Medical Imaging, University of Western Ontario, Schulich School of Medicine and Dentistry, London, ON, Canada. cigdem.akincioglu@lhsc.on.ca. 2. Southwest Ontario Pulmonary Hypertension Clinic, London Health Sciences Centre, Schulich School of Medicine & Dentistry, Western University and Pulmonary Hypertension Association (PHA) of Canada, London, ON, Canada.