Examining predictors of scale-up penalty in preliminary studies of health behavior interventions and subsequent larger trials: a meta-epidemiological review of diverse fields. - von Klinggraeff L; Pfledderer CD; Burkart S; Ramey K; Smith M; McLain AC; Armstrong B; Weaver RG; Okely A; Lubans D; Ioannidis JPA; Jago R; et al. (Pilot and feasibility studies, 2026)