Corrigendum: Long-term efficacy and reduced side-effects of buprenorphine in patients with moderate and severe chronic pain - Papa, Alfonso; Salzano, Anna Maria; Di Dato, Maria Teresa; Desiderio, Vincenzo; Buonavolontà, Pietro; Mango, Pietro; Saracco, Elisabetta; Tammaro, Dario; Luongo, Livio; Maione, Sabatino (Frontiers in Pharmacology, 2024)