[1
]
Serviço de Gastrenterologia, Centro Hospitalar Universitário de Coimbra, Coimbra,
Portugal. Electronic address: fasportela@gmail.com.
[2
]
CIDES - Department of Health Information and Decision Sciences, Faculty of Medicine,
University of Porto, Portugal; CINTESIS - Centre for Health Technology and Services
Research, Porto, Portugal.
[3
]
Gastroenterology Department, Centro Hospitalar do Algarve, Portugal.
[4
]
Serviço de Gastrenterologia, Hospital Beatriz Ângelo, Loures, Portugal.
[5
]
Serviço de Gastrenterologia, Hospital Fernandes da Fonseca, Amadora, Portugal.
[6
]
Serviço de Gastrenterologia, Hospital de Braga, Braga, Portugal.
[7
]
Gastroenterology Department, Centro Hospitalar Porto-Hospital Santo António, Portugal.
[8
]
Serviço de Gastrenterologia, Hospital do Funchal, Funchal, Portugal.
[9
]
Serviço de Gastrenterologia, Centro Hospitalar de Lisboa Ocidental, Lisboa, Portugal.
[10
]
Serviço de Gastrenterologia, Hospital dos Capuchos, Lisboa, Portugal.
[11
]
Gastroenterology Department, Centro Hospitalar do Algarve, Portugal; Biomedical Sciences
and Medicine Department, University of Algarve, Portugal.
[12
]
Serviço de Gastrenterologia, Hospital de Santa Maria, Lisboa, Portugal.
[13
]
Serviço de Gastrenterologia, Hospital de Santo André, Leria, Portugal.
[14
]
Gastroenterology Department, Centro Hospitalar São João, Porto, Portugal; Department
of Pharmacology and Therapeutics, Faculty of Medicine, University of Porto, Portugal;
MedInUP - Centre for Drug Discovery and Innovative Medicines, University of Porto,
Portugal.
[15
]
Serviço Gastrenterologia, Centro Hospitalar de Tondela - Viseu, Viseu, Portugal.