Fig. 9From: Students’ perceptions of a food safety and quality e-learning course: a CASE study for a MSC in food consumptionTemporal distribution of posted messages in Topic 2 (Team work and Class debate). In the left side, the academic year of 2016/2017 and in the right side, the academic year of 2017/2018. The arrows show the deadlines for delivery of work and / or activitiesBack to article page