2019-20 coronavirus outbreak medicine.medical_specialty Diabetic neuropathy Coronavirus disease 2019 (COVID-19) business.industry severe COVID‑19 Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Endocrinology, Diabetes and Metabolism MEDLINE Settore MED/13 - ENDOCRINOLOGIA General Medicine medicine.disease Endocrinology Diabetes mellitus Internal medicine medicine Internal Medicine Risk factor business Letter to the Editor