Cedars-Sinai Medical Center, Beverly Hills, California, United States
Medical University of Vienna (Medizinische Universität Wien), Währinger Gürtel 18-20, Vienna, Austria
Silesian Center for Heart Disease, ul. Szpitalna 2, Zabrze, Poland
Inselspital - Universitätsspital Bern Postfach 33, Schweizer Herz-und Gefässzentrum Bern, Bern, Switzerland
Hospital for Sick Children, Toronto, Ontario, Canada
UCLA Division of Pulmonary and Critical Care, Los Angeles, California, United States
Washington University School of Medicine, St. Louis, Missouri, United States
Cedars-Sinai Medical Center, Los Angeles, California, United States
Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, United States
New York University, New York, New York, United States
Newark Beth Israel Medical Center, Newark, New Jersey, United States
University of Pennsylvania, Philadelphia, Pennsylvania, United States
Northwestern University, Chicago, Illinois, United States