a1 Department of Nutrition for Health and Development, World Health Organization, Present address: Laboratory for Human Nutrition, Swiss Federal Institute of Technology, Seestrasse 72, Postfach 474, 8803 Rüschlikon, ZH, Switzerland
a2 Department of Nutrition for Health and Development, World Health Organization, 20 Avenue Appia, Geneva, Switzerland
a3 ICCIDD, Avenue de la Fauconnerie 153, Boisfort, B 1170 Brussels, Belgium
a4 Department of Reproductive Health and Research, World Health Organization, 20 Avenue Appia, Geneva, Switzerland
Correspondence:
c1 Corresponding author: Email debenoistb@who.int
Footnotes
† The members of the WHO Secretariat included M Andersson, B de Benoist, F Delange and J Zupan.