Preventing birth defects, saving lives, and promoting health equity: an urgent call to action for universal mandatory food fortification with folic acid oleh Vijaya Kancherla, PhD, Lorenzo D Botto, MD, Laura A Rowe, MPH, Nathan A Shlobin, BA, Adrian Caceres, MD, Anastasia Arynchyna-Smith, MPH, Kathrin Zimmerman, BA, Jeffrey Blount, MD, Zewdie Kibruyisfaw, MD, Kemel A Ghotme, MD, Santosh Karmarkar, MCh, Graham Fieggen, MD, Sylvia Roozen, PhD, Godfrey P Oakley, Jr, MD, Gail Rosseau, MD, Robert J Berry, MD