Institutional Birth (IB): includes all deliveries that occurred at a health facility. Vital statistics. Live births (with place of birth in Austria) by medical characteristics since 2006 [website]. Vienna: Statistics Austria; 2017 (http://www.statistik.at/web_en/statistics/PeopleSociety/health/medical_and_sociomedical_characteristics_of_live_birth/110639.html, accessed 27 October 2017).