317206SOCITS: A SOCial sITuational Systems approach to measuring and modelling relational influences on adolescent mental healthMark McCannUK Research and Innovation ( UKRI) (UKRI)MR/X003264/1SHW - MRC/CSO Social & Public Health Sciences Unit727631Social Relationships & Health ImprovementLisa McDaidMedical Research Council (MRC)MC_UU_12017/11HW - MRC/CSO Social and Public Health Sciences Unit727631Social Relationships & Health ImprovementLisa McDaidOffice of the Chief Scientific Adviser (CSO)SPHSU11HW - MRC/CSO Social and Public Health Sciences Unit