Identification and Quantification of Activities Common to Intensive Care Patients; Development and Validation of a Dual-Accelerometer-Based Algorithm. - Yvonne Dikkema; Noor Mouton; Koen Gerrits; Tim Valk; Mariëlle van der Steen-Diepenrink; Hans Eshuis; Han Houdijk; Cees van der Schans; Anuschka Niemeijer; Marianne Nieuwenhuis (Sensors, 2023)