“…It is known that SB is a complex disorder, which involves many environmental, behavioral, neurobiological, and genetic factors (Gvion & Levi‐Belz, ; Speed, Drapeau, & Nadorff, ). Researchers of suicide behavior are looking for predisposing (distal) and precipitating (proximal) factors (Conejero, Olie, Courtet, & Calati, ; Gerada, ; Gvion & Levi‐Belz, ; Speed et al, ). Besides, there are several biological, genetic, and environmental abnormalities have been reported in SB, but it is not clear which ones are risk factors (Fiori et al, ; Schneider et al, ).…”