The Pregnancy and Influenza Multinational Epidemiologic (PRIME) study: a prospective cohort study of the impact of influenza during pregnancy among women in middle-income countries oleh Fatimah S. Dawood, Danielle Hunt, Archana Patel, Wanitchaya Kittikraisak, Yeny Tinoco, Kunal Kurhe, Giselle Soto, Danielle Hombroek, Shikha Garg, Tawee Chotpitayasunondh, Oswaldo Gonzales, Savita Bhargav, Mark G. Thompson, Bajaree Chotpitayasunondh, Richard Florian, Amber Prakash, Sofia Arriola, Louis Macareo, Prabir Das, Santiago Cabrera, Sayda La Rosa, Eduardo Azziz-Baumgartner, for the Pregnancy and Influenza Multinational Epidemiologic (PRIME) Study Working Group*