Confusion

• Cliniques universitaires Saint-Luc — Brussels, Belgium

• The Second Hospital of Anhui Medical University — Hefei, Anhui, China
• Tongji Hospital, Tongji Medical college — Wuhan, Hubei, China
• The First Affiliated Hospital of Nanchang University — Nanchang, Jiangxi, China
• West China Hospital of Sichuan University — Chengdu, Sichuan, China

Not specified

• Taipei Medical University-Shuang Ho Hospital, Ministry of Health and Welfare — Taipei, Taiwan

• Cardiocentro Ticino — Lugano, Canton Ticino, Switzerland

• Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College — Beijing, Beijing Municipality, China

• Rhode Island Hospital — Providence, Rhode Island, United States

• Hôpital des Charpennes, Institut du Vieillissement, Hospices Civils de Lyon — Villeurbanne, Lyon, France

• Chu Brest — Brest, France

• Beijing Tiantan hospital — Beijing, Beijing Municipality, China