2.1. Participants
In the PROMISS trial, 276 participants were included. PROMISS baseline inclusion criteria were: age ≥ 65 years, community-dwelling, habitual protein intake < 1.0 g/kg aBW/day determined by three food-diary-assisted 24-h dietary recalls, body mass index (BMI) ≥ 18.5 kg/mAs described previously [