We emphasize that the group set up in WhatsApp application greatly contributed to clarification of doubts and messages of encouragement to participate, since the application does not have messaging feature. The suggestions for changes or improvements to ConTi were relevant and should be considered for future implementations or changes, and even more, a deep analysis of these suggestions should be done. It is worth mentioning the importance of doing a pilot before starting the case study to better understand the dynamics, system and goals of the story.