anchor.diff:  99RCSLB,Nottingham Childrens Hospital  (Queens Medical Centre),Nottingham,0
   RCSLB,Nottingham City Hospital,Nottingham,0
   45021,Tyrone County Hospital  (Western Trust),Omagh,0
  -RNX02,Oxford Radcliffe Hospital,Oxford,0
  +RNX02,Oxford Radcliffe Hospital,Oxford,1
   RK950,Derriford Hospital,Plymouth,0
   RHU02,Queen Alexandra Hospital,Portsmouth,0
   RMF01,Royal Preston Hospital,Preston,0
  
positive.code: RNA03,Russells Hall Hospital,Dudley,0
  SYC02,Dumfries & Galloway Royal Infirmary,Dumfries,0
  STC01,Ninewells Hospital,Dundee,0
  SSC02,Royal Infirmary of Edinburgh,Edinburgh,0
  RH8,Royal Devon and Exeter Hospital ,Exeter,0
  SGC04,Queen Elizabeth University Hospital,Glasgow,0
  SGC02,Royal Hospital for Sick Children,Glasgow,0
  
negative.code: RLZ01,Royal Shrewsbury Hospital,Shrewsbury,0
  RHM02,Southampton Childrens Hospital,Southampton,0
  RAJ01,Southend Hospital,Southend-on-Sea,0
  RAQ01,Lister Hospital,Stevenage,0
  RJE01,University Hospital of North Staffordshire,Stoke-on-Trent,0
  RLNGH,Sunderland Royal Hospital,Sunderland,0
  RQHC7,Morriston Hospital,Swansea,0
  