1. Iberoamerican Cochrane Centre, Biomedical Research Institute Sant Pau (IIB Sant Pau); CIBER Epidemiología y Salud Pública (CIBERESP); Barcelona Spain
2. Department of Nephrology and Hypertension and Julius Center for Health Sciences and Primary Care; University Medical Center Utrecht; Utrecht Netherlands
3. Cochrane Ecuador. Centro de Investigación en Salud Pública y Epidemiología Clínica (CISPEC). Facultad de Ciencias de la Salud Eugenio Espejo; Universidad Tecnológica Equinoccial; Quito Ecuador
4. Preventive Medicine and Public Health; Vall Hebron University Hospital; Barcelona Spain
5. Department of Public Health; Universidade Federal de Ciências da Saúde; Porto Alegre Brazil
6. Angiology, Vascular and Endovascular Surgery; Universitary Hospital La Princesa; Madrid Spain
7. Hospital Clínico San Carlos. Universidad Complutense de Madrid; Madrid Spain
8. Iberoamerican Cochrane Centre, Biomedical Research Institute Sant Pau (IIB Sant Pau), Universitat Autònoma de Barcelona; CIBER Epidemiología y Salud Pública (CIBERESP); Barcelona Spain