[1
]
Subdirectorate for Health Promotion and Prevention, Madrid Regional Health Authority,
C/San Martín de Porres, 6, 28035, Madrid, Spain. Electronic address: maria.estebanv@salud.madrid.org.
[2
]
Subdirectorate for Health Promotion and Prevention, Madrid Regional Health Authority,
C/San Martín de Porres, 6, 28035, Madrid, Spain.
[3
]
Preventive Medicine Unit, Rey Juan Carlos University, Madrid, Spain.
[4
]
Unit of Tropical Medicine, Ramón y Cajal Hospital, Madrid, Spain.