Published on in Vol 10 , No 8 (2021) :August

1 School of Medicine , Cardiff University , Cardiff , GB
2 Institute of Biological, Environmental & Rural Sciences , Aberystwyth University , Aberystwyth , GB
3 Department of Surgery , College of Medicine , University of Florida , Gainesville , FL , US
4 Department of Biostatistics and Health Informatics , Institute of Psychiatry, Psychology and Neuroscience , King's College , London , GB
5 Department of Surgery , Cardiff and Vale University Health Board , Cardiff , GB
6 Department of Surgery , Harborview Medical Center , University of Washington , Seattle , WA , US
7 North Bristol National Health Service Trust , Bristol , GB
8 Royal United Hospitals Bath National Health Service Foundation Trust , Bath , GB
9 Division of Population Medicine , Cardiff University , Cardiff , GB