Arrhythmias and sudden death Smartphone detection of atrial fibrillation using photoplethysmography: a systematic review and meta-analysis http://orcid.org/0000-0002-8302-2891Simrat Gill1,2, http://orcid.org/0000-0003-4602-4377Karina V Bunting1,2, Claudio Sartini3, Victor Roth Cardoso1,2,4, Narges Ghoreishi3, Hae-Won Uh5, John A Williams2,4, Kiliana Suzart-Woischnik3, http://orcid.org/0000-0001-8741-3411Amitava Banerjee6, Folkert W Asselbergs7,8,9, MJC Eijkemans5, Georgios V Gkoutos2,4,...