Kuo Chang-Fu, Grainge Matthew J, Mallen Christian, Zhang Weiya, Doherty Michael
Division of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
Division of Epidemiology and Public Health, University of Nottingham, Nottingham, England.
JAMA. 2014;312(24):2684-6. doi: 10.1001/jama.2014.14484.