{{Cite journal| doi = 10.1097/INF.0000000000003026| issn = 1532-0987 (Electronic) 0891-3668 (Linking)| volume = 40| issue = 4| pages = –171-e172| last1 = Kohns Vasconcelos| first1 = M.| last2 = Meyer Sauteur| first2 = P. M.| last3 = Keitel| first3 = K.| last4 = Santoro| first4 = R.| last5 = Heininger| first5 = U.| last6 = van den Anker| first6 = J.| last7 = Bielicki| first7 = J. A.| title = Strikingly Decreased Community-acquired Pneumonia Admissions in Children Despite Open Schools and Day-care Facilities in Switzerland| journal = Pediatr Infect Dis J| date = 2021-01-06| pmid = 33399433}}