There are multiple definitions:

1. Médecins sans Frontières(French)

   • AzG, ETU
   • Organizations (international)

2. midpoint of sleep in free days(English)

   • IS, IV, MCTQ, NCGG, RAR, SGS
   • Sleep medicine, Circadian rhythm
   • https://doi.org…28.2019.1626416

3. multiple sclerosis fatigue(English)

   • FSS, MSD, MSND, EDSS
   • Fatigue, Depression, Disability
   • https://doi.org…245850000600308

4. modern service framework(English)

   • refers to a cardiovascular-kidney-metabolic approach (Department of Health and Social Care, NHS England, 2026)
   • CKM, CVD, NHS
   • Cardiology, Kidney and adrenals, Metabolism
   • https://ckmnetw…_hsmi=141574334