International Journal of Cancer Research and Treatment S. Karger Medical and Scientifc Publishers Basel . Freiburg . Paris . London . New York . New Delhi . Bangkok . Beijing . Tokyo . Kuala Lumpur . Singapore . Sydney Oncology 84(1) 1–64 (2013) 84 | 1 | 13 print ISSN 0030–2414 online e-ISSN 1423–0232 www.karger.com/ocl