[1] Univ Klinikum Jena, Med Klin Hamatol & Internist Onkol 2, Klinikum 1, D-07747 Jena, Germany
[2] Waldburg Zeil Kliniken, Rehabil Klin Bad Salzelmen, Badepk 5, D-39218 Schonebeck, Germany
[3] German Canc Soc, Working Grp Prevent & Integrat Oncol, Kuno Fischer Str 8, D-14057 Berlin, Germany
[4] Univ Hosp Schleswig Holstein, Canc Ctr North, Campus Kiel,Arnold Heller Str 3, D-24105 Kiel, Germany