Nitric Oxide

• Beijing Chao-Yang Hospital — Beijing, Beijing Municipality, China
• Beijing Tongren Hospital, Capital Medical University — Beijing, Beijing Municipality, China
• China-Japan Friendship Hospital — Beijing, Beijing Municipality, China
• Xinqiao Hospital，Third Military Medical University — Chongqing, Chongqing Municipality, China

• Maastricht University Medical Center — Maastricht, Limburg, Netherlands

• Diabetes & Nutritional Sciences Division, King's College London — London, United Kingdom

Not specified

• Medical College of Wisconsin — Milwaukee, Wisconsin, United States

• Janos Vag — Budapest, Hungary

• Massachusetts General Hospital — Boston, Massachusetts, United States

Not specified

• National Heart, Lung and Blood Institute (NHLBI) — Bethesda, Maryland, United States

• Zhongnan Hospital of Wuhan University — Wuhan, Hubei, China