ACR	American College of Rheumatology
ANOVA	Analysis of variance
CHERRIES	Checklist for Reporting Results of Internet E-Surveys
CI	Confidence interval
CME	Continuing medical education
EULAR	European Alliance of Associations for Rheumatology
FM	Fibromyalgia
NSAID	Non-steroidal anti-inflammatory drug
SD	Standard deviation
SNRI	Serotonin–noradrenaline reuptake inhibitor
SSRI	Selective serotonin reuptake inhibitor
STROBE	Strengthening the Reporting of Observational Studies in Epidemiology
VIF	Variance inflation factor