1. University of California San Francisco—Fresno, Fresno, California.
2. Center for Breastfeeding Medicine and Mother's Resource Center at Community Regional Medical Center, Fresno, California.
3. Division of Neonatology and Connecticut Human Milk Research Center, Connecticut Children's Medical Center, Hartford, Connecticut.
4. University of Connecticut School of Medicine, Farmington, Connecticut.
5. Alpert Medical School of Brown University, Providence, Rhode Island.