Authors: Faisal S Khan; Ismat Lotia-Farrukh; Aamir J Khan; Saad Tariq Siddiqui; Sana Zehra Sajun; Amyn Abdul Malik; Aziza Burfat; Mohammad Hussham Arshad; Andrew J Codlin; Belinda M Reininger; Joseph B McCormick; Nadeem Afridi; Susan P Fisher-Hoch Journal: PLoS One Date: 2013-02-13 Impact factor: 3.240