“…Some positive conclusions are draw from those studies. Servant leadership could raise personnel's happiness (Chen et al, 2013), could improve personnel's mental health, (Rivkin et al, 2014), could boost personnel's performance (Sun, Wang et al, 2010), and could promote more Organizational Citizenship Behavior (Liden et al, 2008). It can also enhance personnel's affective commitment (VanDierendonck et al, 2014) and job satisfaction (Wang et al, 2009).…”