[1] Santa Maria Hosp, Intens Care Unit, Child & Family Dept, Avenida Prof Egas Moniz, P-1649035 Lisbon, Portugal
[2] Santa Maria Hosp, Lisbon Med Fac, Child & Family Dept, Paediat Intens Care Unit, Lisbon, Portugal
[3] Santa Maria Hosp, Lisbon Med Fac, Vasc Surg Dept, Lisbon, Portugal