“…Details of the studies are given in Table . The studies were conducted in the United States (US) [Connecticut Study (Purdue et al , ), Molecular and Genetic Epidemiology (iMAGE) Study of Myeloma (VanValkenburg et al , ), Los Angeles County Case Control Multiple Myeloma Study (LACCMM; Nuyujukian et al , ), Nebraska Study (Zahm et al , ), Population Health Study (PopHealth; Baris et al , ), University of Southern California (USC; Cozen et al , ), and Utah Study (Camp et al , )] (,); Canada (Canadian Study; Ghosh et al , ; McDuffie et al , ) and Europe [L'Etude des Facteurs environnemen‐taux et genétique des Lymphomes de l'Adulte (ENGELA; Orsi et al , ), Epilymph (Casey et al , ; Perrotta et al , ), Italian Multicentre (Miligi et al , )]. Nearly all of the studies included both men and women, with the exception of the Canadian (McDuffie et al , ; Ghosh et al , ) and Connecticut (Purdue et al , ) studies, which included only men and only women, respectively.…”