Identification of Early Signs of Mental Health Disorders in Older Survivors of Cancer Using Patient-Generated Health Data: Observational Study

Georgios Petridis   ^{1 *} , MSc ;   Antonios Billis   ^{1 *} , PhD ;   Georgios Meditskos   ^{2 *} , Prof Dr ;   Athina Tsanousa   ^{3 *} , PhD ;   Paraskevas Lagakis   ^{1 *} , MSc ;   Juan Carlos Naranjo   ^{4 *} , MSc ;   José Zenóglio de Oliveira   ^{5 *} , BSc ;   Vania Tavares   ^{5 *} , PhD ;   Panagiotis D Bamidis   ^{1 *} , Prof Dr

¹ Laboratory of Medical Physics & Digital Innovation, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece

² School of Informatics, Faculty of Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece

³ Centre for Research and Technology Hellas, Thessaloniki, Greece

⁴ MySphera, Valencia, Spain

⁵ Capgemini (Portugal), Lisbon, Portugal

*all authors contributed equally