title: Response to letter to the editor concerning "The rotation of the humeral head does not alter radiographic evaluation of the head-shaft angle".
authors.affiliation: Department of Orthopedics and Traumatology, School of Medicine, University of São Paulo, São Paulo, SP, Brazil. Electronic address: eduardomalavolta@gmail.com.
authors.forename: Eduardo A
authors.initials: EA
authors.lastname: Malavolta
authors.affiliation: Department of Orthopedics and Traumatology, School of Medicine, University of São Paulo, São Paulo, SP, Brazil.
authors.forename: Mauro E C
authors.initials: MEC
authors.lastname: Gracitelli
authors.affiliation: Department of Orthopedics and Traumatology, School of Medicine, University of São Paulo, São Paulo, SP, Brazil.
authors.forename: Jorge H
authors.initials: JH
authors.lastname: Assunção
authors.affiliation: Department of Orthopedics and Traumatology, School of Medicine, University of São Paulo, São Paulo, SP, Brazil.
authors.forename: Arnaldo A Ferreira
authors.initials: AAF
authors.lastname: Neto