Haack, Alfred, Emig, Karl-friedrich (hamburg) (1) Clarke, Christopher (nottingham University Hospitals), Dux, Anthony (university Hospitals Of Leicester) (1) Karus, Christian, Ullrich-winter, Susanne (1) Berger, Norbert (1) Heim, Sverre (the Norwegian Radium Hospital, Mitelman, Felix (university Of Lund (1)