st=>start: Start of Data Sharing Process
ed=>end: End of Data Sharing Process|current
rteam=>operation: Research Team
Consider Request
discovdat=>operation: Data Discovery by Research Team:>http://kiwidev.mrceuston.local/howto/doku.php?id=introduction
review=>operation: LHA Data Sharing Committee
Review Data Access Request:>http://www.nshd.mrc.ac.uk/data/data-sharing/
con1=>condition: Access Request 
Approved?
con2=>condition: New Derived
Variables
Generated?
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
analyse=>operation: Research Team
Analyse Data &
Publish Results
derived=>operation: Research Team
Return Derived Variables
Plus Code/Documentation
to LHA
ingest=>operation: LHA Ingest
Derived Data
form=>inputoutput: NSHD Data Access Request Form|past:>http://kiwidev.mrceuston.local/howto/doku.php?id=nshd:forms
basket=>inputoutput: Basket of NSHD Variables|past
inforeq=>inputoutput: Further Information Requested|past
anondataset=>inputoutput: Anonymised Dataset|past
approvedvars=>inputoutput: Approved Variable List|past
developplan=>subroutine: Research Team develop Research Plan
repository=>subroutine: NSHD Data Repository
including linked
NHS Digital Data|rejected

st->discovdat->form->review->con1
con1(yes)->signagreement
con1(no)->inforeq
inforeq(right)->rteam(right)->form
signagreement->signconfident->basket
basket->adjustvars->approvedvars
approvedvars->repository->anondataset->analyse->con2
con2(yes,right)->derived(right)->ingest(right)->repository
con2(no)->ed