“…Different risk factors for vulnerability have been described in research so far. Some of them may include different characteristics of the family or context a child lives in (Bradley et al, 2001;Gaynor, 2015;Pettit et al, 1997) like poverty (Blair & Raver, 2016;Chaudry & Wimer, 2016;Kalil, 2009;Letourneau et al, 2013), number of siblings, overcrowding and similar housing arrangements (Leventhal & Newman, 2010), conflict, divorce, abuse and violence in family relations (Cummings et al, 2009;Holmes, 2013;Howell et al, 2016), or living in non-parental family care (Goemans et al, 2016;Lipscomb et al, 2013;Waterman et al, 2013) or residential care (Oliveira et al, 2015). Others may include child characteristics such as premature birth, low birth weight (Cassiano, Gaspardo, & Linhares, 2016), disability or chronic illness, etc.…”