Chicago Dental Society, Chicago Dental Society homepage: '2021 Virtual Midwinter Meeting Countdown 2021/02/25' (Nov. 9, 2020) (Ex. SEC-03-GM-002)
Governor JB Pritzker, Executive Order 2021-20 (COVID-19 Executive Order No. 87) (Aug. 26, 2021) (Ex. SEC-03-078)
