1 Department of Oncology, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway; Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway; Department of Oncology & Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark. Electronic address: oluf.roe@ntnu.no.
2 Institute for Respiratory Health, Perth, Australia; National Centre for Asbestos Related Disease, University of Western Australia, Perth, Australia; Department of Respiratory Medicine, Sir Charles Gairdner Hospital, Perth, Australia.