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Duarte Pereira
Department of Clinical Epidemiology. Predictive Medicine and Public Health. Medical School. University of Porto. Porto. Portugal.
Public Health Institute. University of Porto. Porto. Portugal.
Physical Rehabilitation Medicine Department. Hospital S. João. Porto. Portugal.
Portugal
Elisabete Ramos
Department of Clinical Epidemiology. Predictive Medicine and Public Health. Medical School. University of Porto. Porto. Portugal.
Public Health Institute. University of Porto. Porto. Portugal.
Jaime Branco
Rheumatology Department. Hospital Egas Moniz. Centro Hospitalar Lisboa Ocidental. Lisboa. Portugal.
CEDOC. Nova Medical School. Faculdade de Ciências Médicas. Universidade Nova de Lisboa. Lisboa. Portugal.
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