Deprecated: Non-static method PKPApplication::defineExposedConstant() should not be called statically in /var/www/vhosts/hematologyjournal.net/lib/pkp/classes/core/PKPApplication.inc.php on line 557 Deprecated: Non-static method PKPApplication::getExposedConstants() should not be called statically in /var/www/vhosts/hematologyjournal.net/lib/pkp/classes/core/PKPApplication.inc.php on line 525