[1] Univ Childrens Hosp Essen, Dept Pediat Oncol & Hematol, D-45147 Essen, Germany
[2] Soc Anthroposoph Med, Prague, Czech Republic
[3] Italian Soc Nat Med SIMN, Cameri, Italy
[4] Semmelweis Univ, Dept Paediat 2, Budapest, Hungary
[5] Larnaca Hosp, Dept Paediat, Larnax, Cyprus
[6] Univ Med Ctr, Childrens Hosp, Dept Hematol & Oncol, Ljubljana, Slovenia
[7] QOL Res Ctr, Copenhagen, Denmark
[8] Bournemouth Univ, Angloeuropean Coll Chiropract, Bournemouth, Dorset, England
[9] Dokuz Eylul Univ, Fac Nursing, Paediat Nursing Dept, Izmir, Turkey
[10] Linkoping Univ, Fac Hlth Sci, Dept Med & Hlth Sci, Div Drug Res, S-58183 Linkoping, Sweden
[11] Med Univ Sofia, Fac Pharm, Dept Social Pharm & Pharmacoecon, Sofia, Bulgaria
[12] Fac Med, Zaragoza, Spain
[13] Univ Strasbourg, Strasbourg, France
[14] Norwegian Univ Sci & Technol, Dept Publ Hlth & Gen Practice, N-7034 Trondheim, Norway
[15] Nicholas Copernicus Univ, Coll Med, Dept Paediat Haematol & Oncol, Bydgoszcz, Poland
[16] St Antonius Hosp, Dept Paediat, Nieuwegein, Netherlands
[17] Gemeinschaftskrankenhaus Herdecke, Dept Integrat Paediat & Adolescent Med, Herdecke, Germany
[18] Univ Witten Herdecke, Ctr Integrat Med, Integrated Curriculum Anthroposoph Med, Witten, Germany