Diarrhea

• Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang — Hangzhou, Zhejiang, China

• Department of Microbiota Medicine & Medical Centre for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University — Nanjing, Jiangsu, China

• The Second Affiliated Hospital of Nanjing Medical University — Nanjing, Jiangsu, China

Not specified

• Anhui Provincial Center for Disease Control and Prevention — Hefei, Anhui, China
• National Institute for Communicable Disease Control and Prevention, China — Beijing, Beijing Municipality, China
• Hubei Provincial Center for Disease Control and Prevention — Wuhan, Hubei, China
• Jiangsu Provincial Center for Disease Control and Prevention — Nanjing, Jiangsu, China

• Indiana University Hospital — Indianapolis, Indiana, United States

• Mayo Clinic — Rochester, Minnesota, United States

• The Aquaya Institute — Accra, Ghana

• Benha University Hospitals — Banhā, Qalyubia Governorate, Egypt

• Edoardo V. Savarino — Padova, Italy