Frontline Health Care Workers' Mental Health and Well-Being During the First Year of the COVID-19 Pandemic: Analysis of Interviews and Social Media Data. - Vera San Juan, Norha; Martin, Sam; Badley, Anna; Maio, Laura; Gronholm, Petra C; Buck, Caroline; Flores, Elaine C; Vanderslott, Samantha; Syversen, Aron; Symmons, Sophie Mulcahy; Uddin, Inayah; Karia, Amelia; et al. (Journal of Medical Internet Research, 2023)