The methodological quality of clinical trials of physical therapy for low back pain varies between countries with different income levels. A meta-epidemiological study Carlos Maximiliano Sánchez Medina; Claudia Gutiérrez Camacho; Anne M. Moseley; Xochiquetzalli Tejeda Castellanos; Qiuzhe Chen; Edgar Denova-Gutiérrez; Aidan G Cashin; Viridiana Valderrama Godínez; Akari Fuentes Gómez; Ana Elisabeth Olivares Hernández; Giovanni E. Ferreira;

Affordance-based practice: An ecological-enactive approach to chronic musculoskeletal pain management Daniela Virgínia Vaz; Peter Stilwell; Sabrina Coninx; Matthew Low; Craig Liebenson;

Interpretation of trial-based economic evaluations of musculoskeletal physical therapy interventions Gisela Cristiane Miyamoto; Ângela Jornada Ben; Judith E. Bosmans; Maurits W. van Tulder; Chung-Wei Christine Lin; Cristina Maria Nunes Cabral; Johanna Maria van Dongen;