Patterns of Suicide Ideation Across Eight Countries in Four Continents During the COVID-19 Pandemic Era: Repeated Cross-sectional Study - Philip J Schluter; Mélissa Généreux; Kevin KC Hung; Elsa Landaverde; Ronald P Law; Catherine Pui Yin Mok; Virginia Murray; Tracey O'Sullivan; Zeeshan Qadar; Mathieu Roy (JMIR Public Health and Surveillance, 2022)