ViCA: Combining visual, Social, and Task-orientedconversational AI in a Healthcare Setting. - Georgios Pantazopoulos; Jeremy Bruyere; Malvina Nikandrou; Thibaud Boissier; Supun Hemanthage; Binha Kumar Sachish; Vidyul Shah; Christian Dondrup; Oliver Lemon (ICMI, 2021)