[\'Department of Psychiatry, Osaka University Graduate School of Medicine, Suita, Japan.\', \'Osaka Psychiatric Medical Center, Osaka, Japan.\', \'Asakayama General Hospital, Osaka, Japan.\', \'Kosaka Hospital, Osaka, Japan.\']
No adverse events were observed in clozapine-treated patients on extended hematologic monitoring intervals during the coronavirus pandemic in four psychiatric centers in Japan.