1. Department of Preventive Medicine, University of Santiago de Compostela, Santiago de Compostela, Spain
2. Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBER-ESP), Madrid, Spain
3. Faculty of Health Sciences, American University of Science and Technology, Beirut, Lebanon
4. Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain