A way to explore the existence of “immortals” in cancer registry data – An illustration using data from ICBP SURVMARK-2 - Andersson, Therese M.-L.; Rutherford, Mark J.; Myklebust, Tor Åge; Møller, Bjørn; Arnold, Melina; Soerjomataram, Isabelle; Bray, Freddie; Elkader, Hazem Abd; Engholm, Gerda; Huws, Dyfed; Little, Alana; Shack, Lorraine; et al. (Cancer Epidemiology, 2022)