Correia Ana M, Ferreira Joana S, Borges Vítor, Nunes Alexandra, Gomes Bernardo, Capucho Rui, Gonçalves Jorge, Antunes Delfina M, Almeida Sónia, Mendes Ana, Guerreiro Marta, Sampaio Daniel A, Vieira Luis, Machado Jorge, Simões Maria J, Gonçalves Paulo, Gomes João P
Northern Regional Health Administration, Porto, Portugal
N Engl J Med. 2016 Feb 4;374(5):497-8. doi: 10.1056/NEJMc1505356.