A paper which I co-authored has been indexed for PubMed. This paper is a collaboration between the Reumatology deprtment and the department of Clinical Epidemiology. LH and MvdB have done a great job by describing the relationship between BMI as a proxy for obesity and treatment response in patients with rheumatoid arthritis.
Ref: Heimans L, van den Broek M, le Cessie S, Siegerink B, Riyazi N, Han KH, Kerstens PJSM, Huizinga TWJ, Lems WF, Allaart CF. High BMI is associated with decreased treatment response to combination therapy in recent onset RA patients – a subanalysis from the BeSt study. Arthritis Care & Research. 2013