ABC	Aberrant Behaviour Checklist
AM	Active monitoring
AN	Anorexia nervosa
AA	Arachidonic Acid
ADHD	Attention deficit hyperactivity disorder
ADOS	Autism Diagnostic Observation Schedule
ASD	Autism Spectrum Disorder
BAIT	Beck Anxiety Inventory-Trait
BASC	Behaviour Assessment Scale for Children
BRIEF	Behaviour Rating Inventory of Executive Functioning
BRI	Behaviour Regulation
BP-NOS	Bipolar disorder not otherwise specified
BPD	Borderline Personality Disorder
BITSEA	Brief Infant Toddler Social and Emotional Assessment
BPRS	Brief Psychosis Rating Scale
CDSS	Calgary Depression Scale for Schizophrenia
CES-D	Centre for Epidemiologic Studies Depression Scale
CBCL	Child Behaviour Checklist
CBCL-PR	Child Behaviour Checklist—Parent Report
CDI	Child Development Inventory
CDRS	Children’s Depression Rating Scale
CGI-S	Clinical Global Impressions scale was used to measure symptom severity
CHR	Clinical High Risk
CBCM	Cognitive behavioural case management
CPRS-L	Conners’ Parent Rating Scale
CYC	Cyclothymic disorder
DHA	Docosahexaenoic acid
EAT-26	Eating Attitudes Test
EA	Eating Disorder
EPA	Eicosapentaenoic acid
EFAs	Essential Fatty Acids
ECBI	Eyberg Child Behaviour Inventory
GAF	Global Assessment of functioning
C-GAS	Global Assessment Scale for Children
GEC	Global Executive Composite
HAM-D	Hamilton Depression Rating Scale
IF-PEP	Individual family
IVA/CPT	Intermediate Visual and Auditory/Continuous Performance Test
K-SADS	Kiddie Schedule for Affective Disorders Rating Scales
KRDS	Depression
KMRS	Mania
LA	Linolenic acid
MDD	Major depressive disorder
MADRS	Montgomery-Åsberg Depression Rating Scale
n-3 PUFAs	Omega 3 Polyunsaturated Fatty Acids
n-6 PUFAs	Omega 3 Polyunsaturated Fatty Acids
PDD NOS	Pervasive Developmental Disorder, Not Otherwise Specified
PDDST-II	Pervasive Developmental Disorders Screening Test II
PANSS	Positive and Negative Syndrome Scale
PEP	psychoeducational psychotherapy
SANS	Schedule for Assessment of Negative Symptoms
SDQ	Strengths and Difficulties Questionnaire
SNAP-IV	Swanson, Nolan, and Pelham-IV
SAFTEE-SI	Systematic Assessment for Treatment Emergent Events Specific Inquiry
TRS	Teacher’s Report Form
TOVA	Test of Variables of Attention
SRS-P	The Social Responsiveness Scale–Parent
UHR	Ultra-High-Risk
YMRS	Young Mania Rating Scale
GLA	γ-linolenic acid