Participants for the TIDES survey (now closed) were recruited from the following London trusts: 

B

Barking, Havering and Redridge University Hospitals NHS Trust 

Barnet, Enfield and Haringey Mental Health NHS Trust

Barts Health NHS Trust

C

Camden and Islington NHS Foundation Trust 

Central and North West London NHS Foundation Trust 

Central London Community Healthcare NHS Trust

Chelsea and Westminster Hospital NHS Foundation Trust

Croydon Health Services NHS Trust

E

East London NHS Foundation Trust 

Epsom and St Helier University Hospitals NHS Trust

G

Great Ormond Street Hospital for Children NHS Foundation Trust

Guy’s and St Thomas’ NHS Foundation Trust

H

Homerton University Hospital NHS Foundation Trust

Hounslow and Richmond Community Healthcare NHS Trust

I

Imperial College Healthcare NHS Trust

K

King’s College Hospital NHS Foundation Trust 

Kingston Hospital NHS Foundation Trust

L

Lewisham and Greenwich NHS Trust 

London Ambulance Service NHS Trust 

London North West Healthcare NHS Trust

M

Moorfields Eye Hospital NHS Foundation Trust

N

North East London NHS Foundation Trust 

North Middlesex University Hospital NHS Trust

O

Oxleas NHS Foundation Trust

R

Royal Brompton and Harefield NHS Foundation Trust 

Royal Free London NHS Foundation Trust

S

South London and Maudsley NHS Foundation Trust 

South West London and St George’s Mental Health NHS Trust 

St George’s University Hospitals NHS Foundation Trust

T

Tavistock and Portman NHS Foundation Trust 

The Hillingdon Hospitals NHS Foundation Trust 

The Royal Marsden NHS Foundation Trust 

The Whittington Health NHS Trust

U

University College London Hospitals NHS Foundation Trust

W

West London Mental Health NHS Trust