Lowering of Hemoglobin A1C and Risk of Cardiovascular Outcomes and All-Cause Mortality, A Meta-Regression Analysis [Expert Comment on article published in: Journal of Diabetes and Its Complications 2020 Jul 31;[EPub Ahead of Print], M Fralick, M Colacci, A Odutayo, R Siemieniuk, RJ Glynne] - Steve Bain (expert commentary, 2020)