Cardiomegaly

• München, Germany
• Regensburg, Germany
• Tübingen, Germany
• Würzburg, Germany

• University of California at San Diego Medical Center — San Diego, California, United States
• San Diego Cardiac Center — San Diego, California, United States
• Shands Hospital at University of Florida — Gainesville, Florida, United States
• Northwestern University — Chicago, Illinois, United States

• Xijing Hospital, Department of Cardiology — Xi'an, China

• Children's Medical Center — Tehran, Tehran Province, Iran

Not specified

• Oslo University Hospital — Oslo, Norway

• Children's Healthcare of Atlanta — Atlanta, Georgia, United States

• London Chest Hospital — London, United Kingdom

• Baskent University Medical School — Ankara, Turkey (Türkiye)

• Ege University School of Medicine — Bornova, İzmir, Turkey (Türkiye)
• FMC Clinics Turkey — Adana, Turkey (Türkiye)