title: Incorrect methodology may favor ultrasound-guided needling over shock wave treatment in calcific tendinopathy of the shoulder.
authors.affiliation: Department of Orthopaedic Surgery, Buenos Aires British Hospital, Buenos Aires, Argentina.
authors.forename: Daniel
authors.initials: D
authors.lastname: Moya
authors.affiliation: Department of Physical Medicine and Rehabilitation, Hospital Quirón, Barcelona, Spain.
authors.forename: Silvia
authors.initials: S
authors.lastname: Ramón
authors.affiliation: Humanitas Research Hospital and Humanitas University, Milan, Italy.
authors.forename: María Cristina
authors.initials: MC
authors.lastname: d'Agostino
authors.affiliation: Department of Orthopaedic Surgery, Fenway Medical, Bogotá, Colombia.
authors.forename: Carlos
authors.initials: C
authors.lastname: Leal
authors.affiliation: Department of Orthopaedic Surgery, Bidasoa Hospital, Meditegui, San Sebastian, Spain.
authors.forename: José Ramón
authors.initials: JR
authors.lastname: Aranzabal
authors.affiliation: Department of Orthopaedic Surgery, Clínica Ortopedica Brazil, Sao Paulo, Brazil.
authors.forename: José
authors.initials: J
authors.lastname: Eid
authors.affiliation: Department of Orthopaedic Surgery, AUVA-Trauma Center Meidling, Vienna, Austria. Electronic address: drdanielmoya@yahoo.com.ar.
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Schaden