“…All the included studies were published during or after 2010. Overall, 12 studies 33,35,36,[38][39][40][44][45][46]48,49,51 included children or adolescents, 12 included parents, 29,30,32,[34][35][36][37]41,42,47,49,51 eight included teachers, 28,30,31,35,36,43,49,51 four included school principals or other school staff (not directly in charge of the child's care), 28,30,43,49 four included school food vendors or school's kitchen staff, 28,30,43,49 and one included policymakers or academics (Table A1). 50 Most of the studies were qualitative and used structured or semi-structured interviews with thematic analysis.…”