Molecular autopsy: using the discovery of a novel de novo pathogenic variant in the KCNH2 gene to inform healthcare of surviving family oleh Jingyun Dong, Nori Williams, Marina Cerrone, Christopher Borck, Dawei Wang, Bo Zhou, Lucy S. Eng, Ekaterina Subbotina, Sung Yon Um, Ying Lin, Kevin Ruiter, Lisa Rojas, William A. Coetzee, Barbara A. Sampson, Yingying Tang