A Pilot Study of Heart Rate Variability Synchrony as a Marker of Intraoperative Surgical Teamwork and Its Correlation to the Length of Procedure. - Katarzyna Powezka; Allan Pettipher; Apit Hemakom; Tricia Adjei; Pasha Normahani; Danilo P. Mandic; Usman Jaffer (Sensors, 2022)