Sharma NL, Alexander CE, Grout E, Turney BW.
School of Medicine and Dentistry, University of Aberdeen, Aberdeen, UK.
Oxford Stone Group, Department of Urology, Nuffield Department of Surgical Sciences, Oxford University Hospitals NHS Trust, Oxford, UK.

Lantz AG, McKay JP, Ordon M, Pace K, Monga M, Honey RJ.
Department of Urology, Dalhousie University , Halifax, Nova Scotia, Canada .
Division of Urology, Department of Surgery, St. Michael's Hospital, University of Toronto , Canada .
Department of Urology, Cleveland Clinic , Cleveland, Ohio.

Simal I, Parente A, Burgos L, Ortiz R, Martínez AB, Rojo R, Pérez-Egido L, Angulo JM.
Servicio de Cirugía Pediátrica, Sección de Urología Pediátrica, Hospital General Universitario Gregorio Marañón, Madrid, España.
Servicio de Nefrología Pediátrica, Hospital General Universitario Gregorio Marañón, Madrid, España.

Connors BA, Evan AP, Handa RK, Blomgren PM, Johnson CD, Liu Z, Lingeman JE.
Department of Anatomy and Cell Biology, Indiana University School of Medicine , Indianapolis, Indiana.
Department of Biostatistics, Indiana University Schools of Public Health and Medicine , Indianapolis, Indiana.
Methodist Hospital Institute for Kidney Stone Disease , Indianapolis, Indiana.

Knoll T, Bach T, Humke U, Neisius A, Stein R, Schönthaler M, Wendt-Nordahl G.
Urologisches Zentrum Hamburg, Asklepios Klinikum Harburg, Hamburg, Deutschland.
Klinik für Urologie, Klinikum Stuttgart, Stuttgart, Deutschland.
Klinik für Urologie, Universitätsmedizin Mainz, Mainz, Deutschland.
Klinik für Urologie, Universitätsmedizin Mannheim, Mannheim, Deutschland.
Klinik für Urologie, Universitätsklinikum Freiburg, Freiburg, Deutschland.
Urologische Klinik Sindelfingen, Klinikum Sindelfingen-Böblingen, Arthur-Gruber-Str. 70, 71065, Sindelfingen, Deutschland.