Chris A Rees1, Shubhada Hooli2, Carina King3, Eric D McCollum4, Tim Colbourn5, Norman Lufesi6, Charles Mwansambo6, Marzia Lazzerini7, Shabir Ahmed Madhi8, Clare Cutland8, Marta Nunes8, Bradford D Gessner9, Sudha Basnet10, Cissy B Kartasasmita11, Joseph L Mathew12, Syed Mohammad Akram uz Zaman13, Glaucia Paranhos-Baccala14, Shinjini Bhatnagar15, Nitya Wadhwa15, Rakesh Lodha16, Satinder Aneja17, Mathuram Santosham18, Valentina S Picot19, Mariam Sylla20, Shally Awasthi21, Ashish Bavdekar22, Jean-William Pape23, Vanessa Rouzier24, Monidarin Chou25, Mala Rakoto-Andrianarivelo26, Jianwei Wang27, Pagbajabyn Nymadawa28, Philippe Vanhems29, Graciela Russomando30, Rai Asghar31, Salem Banajeh32, Imran Iqbal33, William MacLeod34, Irene Maulen- Radovan35, Greta Mino36, Samir Saha37, Sunit Singhi38, Donald M Thea39, Alexey W Clara40, Harry Campbell41, Harish Nair41, Jennifer Falconer42, Linda J Williams43, Margaret Horne43, Tor Strand44, Shamim A Qazi45, Yasir B Nisar46, Mark I Neuman47; World Health Organization PREPARE study group48