Table 1. General information about the reviewed articles.

Author/year	Location	Study design	Sample and study duration	Score*
Danese et al., 2009 6	New Zealand	Prospective cohort	972 NB followed up until they turn 32 years of age.	8
Saurabh et al., 2020 3	India	Retrospective cohort	252 children and adolescents aged 9–18 years (121 with quarantine experience and 131 with experience of social isolation only).	7
Sprang et al., 2013 10	USA, Mexico, and Canada	Retrospective cohort	398 children and adolescents.	5
Schinka et al., 2013 13	USA	Prospective cohort	832 NB followed up until they are 15 years of age.	9
Vanhalst et al, 2011 14	Netherlands	Prospective cohort	428 adolescents aged 13–16 years followed up for five years.	7
Martin et al., 2001 15	San Sebastian (Spain)	Prospective cohort	48 preschool children.	7
Koss et al., 2014 16	USA	Prospective cohort	155 children between 15 and 36 months of age followed up for 25 months.	7
Caspi et al., 2006 17	Dunedin, New Zealand	Prospective cohort	1,037 NB followed up until they were 26 years old.	5
Li et al., 2020 18	Hebei, China	Prospective cohort	555 graduate students with an average age of 19.6 years followed up for two years.	7
Fox et al., 2011 19	Bucharest, Romania	Prospective cohort	259 children under 30 months of age followed up until they were 8 years old (187 lived in foster care institutions and 72 lived with their families).	7
Andersen et al., 1990 20	Norway	Prospective cohort	39 children aged 8 years of age followed up until they are 12 years old.	6
Lacey et al. 2014 21	Great Britain	Prospective cohort	8,233 children aged 7 years of age followed up until they are 50 years old.	7

NB: newborns;

^*score of the methodological quality of the studies: low quality=0 to 3, moderate quality=4 to 7, and high quality=8 to 11.