Acknowledgements
The research team would like to thank the health providers as well as the women giving birth at the MSF run hospital in Taiz for their support and assistance in the study. Additionally, we would like to thank the coordination level of Médicins Sans Frontières in Sana, Amsterdam and Berlin for their support, in particular to Dr. Michiel Lekkerkerker for his thoughtful comments. In particular, thank you to Hend Muhammed Al Badani for her enthusiasm and support in retrieving the data, to Hanan Ahmed Mojahed for the data entry, and a great thanks to the MSF volunteers Beatriz Burattini and Rosie Earl for meticulous double entry of the data. Lastly the team would like to express appreciations and thanks to Professor Jos van Roosmalen for his valuable inputs to data interpretation and presentation.