“…A range of US equipment was used across the 12 studies. Half of the studies used console devices (Geddes et al ., 2010; Abdelrahman et al ., 2019; Lee et al ., 2018; Ongkasuwan et al ., 2017a, 2017b; Zhang et al ., 2020), four used portable devices (Friedman et al ., 2018, 2019; Haung et al ., 2019; Shaath et al ., 2012) and one study used a handheld device (Sayyid et al ., 2019). Garcia‐Torres et al .…”