ACE2 and COVID-19: Lupic anticoagulant activity, immunoglobulin G or M anti-cardiolipin/anti-phospholipid antibodies, anti-platelet factor 4 autoantibodies, anti-heparin, anti-ACE2, anti-annexin, anti-nuclear antibodies, anti-endothelial antibodies, antiganglioside, antimuscarinic, and antiadrenergic antibodies have been detected in COVID-19 patients.