Comparative assessment of the impact of iron deficiency on HbA1c accuracy in non-anaemic individuals with type 2 diabetes: A secondary data analysis - Rogers John Mukasa; Nathan Mubiru; Isaac Sekitoleko; Ronald Makanga; Hubert Nkabura; Terry Ongaria; Viola Mugamba; Wisdom Nakanga; Moffat J. Nyirenda; Anxious J. Niwaha (PLoS ONE, 2026)