Objective measures of eating behaviour in a Swedish high school. - Billy Langlet; Anna Anvret; Christos Maramis; Ioannis Moulos; Vasileios Papapanagiotou; Christos Diou; Eirini Lekka; Rachel Heimeier; Anastasios Delopoulos; Ioannis Ioakimidis (Behav. Inf. Technol., 2017)