[1] 251 Hellen Air Force Gen Hosp, Oncol Nursing Dept, P Kanellopoulou 3, TK-11525 Athens, Greece
[2] Univ West Scotland, Sch Hlth Nursing & Midwifery, Paisley, Renfrew, Scotland
[3] Univ Alberta, Fac Nursing, Edmonton, AB, Canada
[4] Univ Athens, Fac Nursing, Sect Internal Med, Nursing & Nursing Lab, Athens, Greece
[5] Technol Educ Inst Athens, Holargos, Greece
[6] Childrens Hosp A&P Kyriakou, Oncol Dept, Athens, Greece
[7] Natl Univ Peloponisos, Fac Human Movement & Qual Life Sci Sparta, Dept Nursing, Sparta, Greece