1. Department Of Radiation Oncology, The University Of Texas Md Anderson Cancer Center, Texas, Usa
2. Department Of Radiation Oncology, Acibadem University School Of Medicine, Istanbul, Turkey
3. Department Of Symptom Research, The University Of Texas Md Anderson Cancer Center, Texas, Usa
4. Department Of Symptom Research, The University Of Texas Md Anderson Cancer Center, Texas, Usa
5. Department Of Radiation Oncology, The University Of Texas Md Anderson Cancer Center, Texas, Usa; Department Of Radiation Oncology, Koç University School Of Medicine, Istanbul, Turkey