Bernese periacetabular osteotomy (PAO): from its local inception to its worldwide adoption.

"Declarations Ethics approval and consent to participateThis narrative review complied with current national and international laws and regulations in accordance with the ethical standards (Declaration of Helsinki and its later amendments). Since the nature of this manuscript is a narrative review, ethics committee approval is not applicable. Consent for publicationNot applicable. Competing interestsAll the authors declare that they have no affiliations with or involvement in any organization or entity with any financial interest, or non-financial interest, in the subject matter or materials discussed in this manuscript. Competing interests All the authors declare that they have no affiliations with or involvement in any organization or entity with any financial interest, or non-financial interest, in the subject matter or materials discussed in this manuscript."

"Funding This study was supported by Springer Nature APC Waiver - Journal Of Orthopaedics and Traumatology Grant Number (LTMWMTQYNTQ0MQ)."