↑ 가나Amaral et al. (2006, 2009), Arshad (2009), Barrowclough et al. (2014), Breman et al. (2013), Bunce et al. (2005), Catanach et al. (2021), Gamauf and Haring (2004), Griffiths et al. (2007), Haring et al. (2007b), Helbig et al. (2005), Knapp et al. (2019), Kocum (2006), Kruckenhauser et al. (2004), Lerner and Mindell (2005), Lerner et al. (2008, 2017), Nagy and T¨ok¨olyi (2014), Oatley et al. (2015), Ong et al. (2011), Riesing et al. (2003), Sangster et al. (2021), Wink and Sauer-G¨urth (2004)