“…It is also important to have the help of the caregivers (Herr et al., 2011 ; Sáez‐López et al., 2015 ). In non‐communicative patients, behavioural observation is recommended using scales such as Pain Assessment Checklist for Seniors with Limited Ability to Communicate (PACSLAC), Pain Assessment in Advanced Dementia (PAINAD) or DOLOPLUS 2 (Coca & Abeldaño Zuñiga, 2020 ; Fry & Elliott, 2018 ; Herr et al., 2011 ; Montoro‐Lorite & Canalias‐Reverter, 2015 , 2018 ; Schofield, 2018 ; Tsai et al., 2018 ). In a recent publication (Herr et al., 2019 ), the first step in the hierarchy is the assessment of the causes of potential pain, such as musculoskeletal or neurological problems.…”