David Grant Medical Center, Fairfield, California, United States
Samsung Medical Center, Gangnam-Gu, Seoul, Korea, Republic of
Yonsei University College of Medicine, Seodaemun-gu, Seoul, Korea, Republic of
Asan Medical Center, Songpa-gu, Seoul, Korea, Republic of
Duke University, Durham, North Carolina, United States
Ann and Robert Lurie Children's Hospital of Chicago, Chicago, Illinois, United States
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, United States
Duke University, Durham, North Carolina, United States
Duke University Medical Center, Durham, North Carolina, United States
Durham Regional Hospital, Durham, North Carolina, United States
Duke University Medical Center, Durham, North Carolina, United States
Asheville Gastroenterology Associates, PA, Asheville, North Carolina, United States
Scripps Clinic, San Diego, California, United States
Hennepin County Medical Center, Minneapolis, Minnesota, United States
MOI Teaching and Referral Hospital, Eldoret, Kenya
Great Lakes University, Kisumu, Kenya