Bluhm, Christian (munich, Overbeck, Ludger (university Of Giessen, Wagner, Christoph (munich (2) Ullenboom, Christian (2) Parks, Sara, Sheinfeld, Shayna, Warren, Meredith J. C. (2) Francis, Christian (2) Christian (university Of Tulsa, Oklahoma, Usa) Constanda, Jukka (oulu, Finland) Saranen, S (university Of Oulu, Finland) Seikkala (1)