Research on occupational diseases in the absence of occupational data: a mixed-method study among cancer registries of Western Switzerland - Ekaterina Plys; Nicolas Bovio; Patrick Arveux; Yvan Bergeron; Jean-Luc Bulliard; Nadia Elia; Evelyne Fournier; Isabelle Konzelmann; Manuela Maspoli; Elisabetta Rapiti Aylward; Irina Guseva Canu (Swiss Medical Weekly, 2022)