[1] Toronto Gen Hosp, Div Thorac Surg, Toronto, ON, Canada
[2] Imperial Coll Healthcare NHS Trust, London & Cambridge Univ Hosp, Dept Radiol, Cambridge, England
[3] Papworth Hosp, Dept Cardiothorac Surg, Natl Pulm Endarterect Serv, Cambridge, England
[4] Med Univ Vienna, Dept Cardiol, Pulm Hypertens Unit, Vienna, Austria
[5] Paris Saclay Univ, Marie Lannelongue Hosp, Dept Thorac & Vasc Surg & Heart Lung Transplantat, Le Plessis Robinson, France
[6] UZ Leuven, Clin Dept Resp Dis, Pulm Hypertens Ctr, Leuven, Belgium
[7] Dept Chron Dis & Metab CHROMETA, Lab Resp Dis & Thorac Surg BREATHE, Leuven, Belgium
[8] Ohio State Univ, Div Cardiovasc Med, Columbus, OH USA
[9] Cleveland Clin, Dept Pulm & Crit Care Med, Resp Inst, Cleveland, OH USA
[10] Allegheny Hlth Network, Cardiovasc Inst, Pittsburgh, PA USA
[11] Univ Hlth Network, Div Respirol, Toronto, ON, Canada
[12] Univ Hlth Network, Joint Dept Med Imaging, Toronto, ON, Canada
[13] Leiden Univ, Dept Med Thrombosis & Hemostasis, Med Ctr, Leiden, Netherlands
[14] Univ Calif San Diego, Med Hlth, Div Pulm Crit Care & Sleep Med, San Diego, CA 92103 USA
[15] Royal Papworth Hosp NHS Fdn Trust, Pulm Vasc Dis Unit, Cambridge, Cambs, England
[16] Univ Cambridge, Heart Lung Res Inst, Cambridge, England
[17] Univ Pavia, Fdn IRCCS Policlin San Matteo, Unit Cardiac Surg Intrathorac Trasplantat & Pulm, Pavia, Italy
[18] Vanderbilt Univ, Med Ctr, Div Allergy Pulm & Crit Care Med, Nashville, TN USA
[19] Univ Calif San Diego, Dept Cardiovasc & Thorac Surg, La Jolla, CA USA
[20] Alfred Hosp, Dept Cardiothorac Surg, Melbourne, Vic, Australia
[21] Monash Univ, Melbourne, Vic, Australia
[22] Univ Giessen, Dept Thorac Surg, Kerckhoff Heart & Thorax Ctr, Campus Kerckhoff, Bad Nauheim, Germany
[23] Univ Hlth Network, Joint Dept Med Imaging, Div Vasc & Intervent Radiol, Toronto, ON, Canada
[24] Univ Hosp Zurich, Dept Thorac Surg, Zurich, Switzerland
[25] Virginia Commonwealth Univ Hlth Syst, Pauley Heart Ctr, Richmond, VA USA
[26] Mayo Clin, Dept Cardiovasc Dis, Coll Med, Rochester, MN USA
[27] Temple Univ, Lewis Katz Sch Med, Temple Heart & Vasc Inst, Pulm Hypertens & CTEPH Res Program, Philadelphia, PA 19122 USA