Parameter 2009-2011 1999-2001
No of authors    
1-3 5 10
4-6 13 23
7-10 24 42
>10 58 25
Geographic region    
United States/Canada 53 73
Europe 33 20
Asia/Middle East 6 2
Australia/New Zealand 1 2
Multiple regions 7 3
Type of publication    
Meta-analysis 3 2
Randomized phase III trial 14 21
Other clinical trial 59 60
Review 11 8
Guideline/consensus paper 10 5
Other incl. physics, radiobiology 3 4
Topic of publication    
Breast cancer 24 10
Prostate cancer 11 21
Brain tumor/metastases 12 12
Head and neck cancer 11 14
Lung cancer 12 8
Lower gastrointestinal cancer 9 3
Gynecological cancer 3 8
Scientific journal    
J Clin Oncol 60 47
Int J Radiat Oncol Biol Phys 15 29
JNCCN 3 0
Radiother Oncol 3 3
Lancet 2 2
N Engl J Med 0 2
Cancer Res 0 2
Cancer 0 2
Ann Oncol 2 0
Table 1: Comparison of top 100 radiation oncology publications.