Adaptation to Aymara language and analysis of the psychometric properties of the Patient Health Questionnaire (PHQ-9) in Peruvian and Bolivian populations. - Cjuno J; Puño-Quispe L; Coronado-Fernandez J; Dávila-Valencia C; Alvarado-Carbonel MA; Chura-Maquera E; Mamani-Quea M; Peralta-Alvarez F; Bazo-Alvarez O; Bazo-Alvarez JC (BMC psychology, 2026)