1. Department of Pediatrics, University of Florida Health Shands Children's Hospital, Gainesville, Florida
2. Department of Pediatrics, Duke University, Durham, North Carolina
3. Department of Pediatrics, Arkansas Children's Hospital, Little Rock, Arkansas
4. Department of Neonatology, Children's Minnesota St. Paul Clinic, Saint Paul, Minnesota
5. Department of Pediatrics, Atrium Health Wake Forest Baptist Medical Center, Winston-Salem, North Carolina
6. Department of Pediatrics, Baystate Children's Hospital, Springfield, Massachusetts
7. Department of Neonatology, Medical University of Sofia, Sofia, Bulgaria
8. Infant Bacterial Therapeutics Inc., Stockholm, Sweden