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st=>start: Start of Data Sharing Process
ed=>end: End of Data Sharing Process
rteam=>operation: Research Team
discovdat=>operation: Data Discovery by Research Team
review=>operation: LHA Data Sharing Committee
Review Data Access Request
con1=>condition: Access Request 
Approved?
signagreement=>operation: Research Team Sign/Return
Data Sharing Agreement
signconfident=>operation: Research Team Sign/Return
Confidentiality Forms
adjustvars=>operation: NSHD Co-ordinators/Data Librarian
make recommendations and 
approve basket of variables
anonymise=>operation: Anonymise NSHD Data
form=>inputoutput: NSHD Data Access Request Form
basket=>inputoutput: Basket of NSHD Variables
inforeq=>inputoutput: Further Information Request
anondataset=>inputoutput: Anonymised Dataset
approvedvars=>inputoutput: Approved Variable List
developplan=>subroutine: Research Team develop Research Plan
repository=>subroutine: NSHD Data Repository

st->discovdat->form->review->con1
con1(yes)->signagreement
con1(no)->inforeq
inforeq->ed
signagreement->signconfident->basket
basket->adjustvars->approvedvars
approvedvars->repository->anondataset->ed