Table 4.

Inclusion/exclusion criteria.

Criteria	Include	Exclude
Participants	Adults with no known disease	Children, adults with disease, animals
Exercise protocol	Aerobic and resistance exercise	Stretching, breathing, etc
Nutritional status (for acute response studies)	Fed state (normal diet and macronutrient ratio) or fasted state (8–12 h overnight fast)	High-fat, high-carbohydrate, high-protein, vegan diet, fasting for more than 12 h
Sample	Blood or skeletal muscle tissue	Neurons, adipocytes, etc
Outcome measure	SIRT1 gene expression, protein content, or enzyme levels	All other measures of SIRT1