Column Algemeen 13 april 2017 Warning: Undefined variable $author_id in /var/www/vhosts/wordpressbox.nl/httpdocs/wp-content/themes/po-vom-basisthema/lib/blog.php on line 344 Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/vhosts/wordpressbox.nl/httpdocs/wp-includes/formatting.php on line 3530 Warning: Undefined variable $authors in /var/www/vhosts/wordpressbox.nl/httpdocs/wp-content/themes/po-vom-basisthema/lib/blog.php on line 347 Zelfreflectie, moed en evenwicht