Anemia, Iron-Deficiency

• Hunan Provincial Maternal and Child Health Care Hospital — Changsha, Hunan, China
• Liuyang Maternal and Child Health Care Hospital — Guankou, Hunan, China

• University of Chester — Chester, Cheshire, United Kingdom

• Hushan Hospital — Shanghai, Shanghai Municipality, China

• Msambweni District Hopsital — Msambweni, Kwale County, Kenya

• Rovieng Health Centre — Rovieng Tboung, Preah Vihear, Cambodia

• Chinese Evidence-based Medicine Centre, West China Hospital, Sichuan University — Chengdu, Sichuan, China

• Maine Medical Center — Portland, Maine, United States
• Dartmouth-Hitchcock Medical Center — Lebanon, New Hampshire, United States

• Federal University of São Paulo — São Paulo, Brazil

Not specified

• Bakersfield, California, United States
• Glendale, California, United States
• Los Angeles, California, United States
• Santa Rosa, California, United States