Raffaele Napolitano, Malid Molloholli, Vera Donadono, Eric O. Ohuma, Sikolia Z. Wanyonyi, Bryn Kemp, Mohammad K. Yaqub, Stephen Ash, Fernando C. Barros, Maria Carvalho, Yasmin A. Jaffer, J. Alison Noble, Manuela Oberto, Manorama Purwar, Ruyan Pang, Leila Cheikh Ismail, Ann Lambert, Michael G. Gravett, Laurent J. Salomon, Zulfiqar A. Bhutta, Stephen H. Kennedy, Jose Villar, Aris T. Papageorghiou, for the International Fetal and Newborn Growth Consortium for the 21 Century INTERGROWTH 21