In the May and September 2006 issues, two articles were published (1, 2) without an author's full affiliation. Joan Fortuny is a PhD student at the Autonomous University of Barcelona (UAB), and these two articles were part of a PhD thesis.

1
Fortuny J, Kogevinas H, Carcia-Closas H, et al. Use of analgesics and nonsteroidal anti-inflammatory drugs, genetic predisposition, and bladder cancer risk in Spain.
Cancer Epidemiol Biomarkers Prev
2006
;
15
:
l696
–702.
2
Fortuny J, de Sanjosé S, Becker N, et al. Statin use and risk of lymphoid neoplasms: results from the European Case-Control Study EPILYMPH.
Cancer Epidemiol Biomarkers Prev
2006
;
45
:
921
–5.