1. 20 top abstracts from the 2020 London advanced Symposium on ACHD, London, UK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100028.
2. Predicting 10-year mortality in adults with congenital heart disease. Susan M. Fernandes , George K. Lui , Jin Long , Amy Lin, Ian S. Rogers , Christy Sillman, Anitra Romfh , Tara C. Dade , Emily Dong , Christiane Haeffele , Caroline Scribner , Melissa Major and Doff B. McElhinney . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100057.
3. Mortality in adult patients with eisenmenger syndrome: 5-years perspective. Aleksander Kempny , Cristel S ø rensen Hjortsh ø j , Lars S ø ndergaard and Michael A. Gatzoulis . . . . . . 100070.
4. Pregnancy in tetralogy of Fallot data from the ESC EORP ROPAC registry. Lucia baris , Magalie Ladouceur , Mark R. Johnson , Mirta Kozelj , Pierluigi Festa , Maryanne Caruana , Kok Han Chee , Thomas Gilljam , Edison Mu ñ oz Ortiz , Johannes J. Duvekot , Roger Hall , Jolien W. Roos-Hesselink and on behalf of the ROPAC investigators group . . . . 100059.
5. Successful outcomes for atrial septal defect associated with pulmonary arterial hypertension using a “treat-repair-treat” strategy Yuan He , Qiangqiang Li , Chen Zhang , Bradley B. Keller and Hong Gu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100075.