1. Van HB, Neerinckx E, Onghena P, Vingerhoets A, Lysens R, Vertommen H (2002) Daily hassles reported by chronic fatigue syndrome and fibromyalgia patients in tertiary care: a controlled quantitative and qualitative study. Psychother Psychosom 71:207–213
2. Robinson RL, Birnbaum HG, Morley MA, Sisitsky T, Greenberg PE, Claxton AJ (2003) Economic cost and epidemiological characteristics of patients with fibromyalgia claims. J Rheumatol 30:1318–1325
3. Burckhardt CS, Clark SR, Bennett RM (1993) Fibromyalgia and quality of life: a comparative analysis. J Rheumatol 20:475–479
4. Dryer L, Kendall SA, Falk W et al (2004) Increased suicide, liver disease and cerebrovascular disease mortality in a cohort of Danish patients with fibromyalgia followed for 16 years. European League against Rheumatism Annual Conference
5. Macfarlane GJ, McBeth J, Silman AJ (2001) Widespread body pain and mortality: prospective population based study. BMJ 323:662–665