1. Australian Institute for Suicide Research and Prevention, Griffith University, Mt Gravatt, QLD 4122, Australia
2. Slovene Centre for Suicide Research, Primorska University, 6000 Koper, Slovenia
3. De Leo Fund, Research Division, 35137 Padua, Italy
4. Italian Psychogeriatric Association, 35137 Padua, Italy
5. Department of Neuroscience, University of Padova, 35121 Padua, Italy