I am not a specialist on your topic, but below may be some starting points, particularly in their literature reviews and the research cited within them.
U.K. STUDIES
Beattie, A.M., Campbell, R. and Vedhara, K., 2014. ‘What ever I do it’sa lost cause.’The emotional and behavioural experiences of individuals who are ulcer free living with the threat of developing further diabetic foot ulcers: a qualitative interview study. Health Expectations, 17(3), pp.429-439.
Guest, J.F., Fuller, G.W. and Vowden, P., 2018. Diabetic foot ulcer management in clinical practice in the UK: costs and outcomes. International wound journal, 15(1), pp.43-52.
Coffey, L., Mahon, C. and Gallagher, P., 2019. Perceptions and experiences of diabetic foot ulceration and foot care in people with diabetes: A qualitative meta‐synthesis. International wound journal, 16(1), pp.183-210.
PATIENT EXPERIENCES
Samuelson, K.L., Kiefer, C.T., Wu, S.C. and Crews, R.T., 2020. Changing Perspectives: Offloading a Patient With a Diabetic Foot Ulcer as Opposed to Offloading a Diabetic Foot Ulcer. Foot & Ankle Specialist, p.1938640020975620.
LIT REVIEW & BIBLIOGRAPHY
Kasiya, M.M., Mang’anda, G.D., Heyes, S., Kachapila, R., Kaduya, L., Chilamba, J., Goodson, P., Chalulu, K. and Allain, T.J., 2017. The challenge of diabetic foot care: Review of the literature and experience at Queen Elizabeth Central Hospital in Blantyre, Malawi. Malawi Medical Journal, 29(2), pp.218-223. https://www.ajol.info/index.php/mmj/article/view/160351/149928
If you do a search in the Science Citation index, one of the things you will find in the search results is a listing of the location of the first author.