Assessing food consumed away from home in low-and middle-income countries by developing specific modules for household surveys: Experimental evidence from Vietnam and Burkina Faso - Edwige Landais; Raphaël Pelloquin; Elodie Maître d’Hôtel; Mai Truong Tuyet; Nga Hoang Thu; Yen Bui Thi Thao; Ha Do Thi Phuong; Trang Tran Thi Thu; Jérôme Somé; Christophe Béné; Eric O. Verger (PLoS ONE)