Netherlands heart journal. Bohn Stafleu van Loghum Bergeman, A T, Pultoo, S N J, Winter, M M, Somsen, G A, Tulevski, I I, Wilde, A A M, Postema, P G & van der Werf, C 2022, ' Accuracy of mobile 6-lead electrocardiogram device for assessment of QT interval : a prospective validation study ', Netherlands Heart Journal . https://doi.org/10.1007/s12471-022-01716-5 Netherlands Heart Journal. Bohn Stafleu van Loghum