“…All included publications were in English, except for two publications in German [ 31 , 32 ] and one in Spanish [ 33 ]. HA-FBO were reported from 16 OECD countries: Germany [ 31 , 32 , 34 - 42 ], US [ 43 - 55 ], UK [ 56 - 63 ], Spain [ 33 , 64 - 66 ], Japan [ 67 - 71 ], Austria [ 72 - 74 ], Australia [ 75 , 76 ], Canada [ 44 , 77 , 78 ], Denmark [ 79 , 80 ], France [ 81 , 82 ], Finland [ 83 ], Greece [ 84 ], Italy [ 85 ], Norway [ 86 ], the Netherlands [ 36 , 87 ], Turkey [ 88 ] and included three multinational outbreaks [ 36 , 44 , 56 ]. The countries with the highest number of published HA-FBO were Germany (11/57), the US (11/57) and the UK (9/57).…”