1. Department of Physical Medicine and Rehabilitation, Centro Hospitalar Tondela Viseu, Viseu, Portugal
2. Department of Internal Medicine, Centro Hospitalar Tondela Viseu, Viseu, Portugal
3. General Practice and Family Medicine, USF Horizonte, Unidade Local de Saúde de Matosinhos, Matosinhos, Portugal
4. Public Health Unit, ACES Baixo Tâmega, Marco de Canaveses, Portugal