Brown RD, De S, Sarkissian C, Monga M
Stevan B. Streem Center for Endourology & Stone Disease, Glickman Urological & Kidney Institute, The Cleveland Clinic, Cleveland, OH.

Tuncer M, Erdogan BA, Yazici O, Sahin C, Altin G, Faydaci G, Eryildirim B, Sarica K
Dr. Lutfi Kirdar Training and Research Hospital Otorhinolaryngology Clinic, Istanbul, Turkey.
Dr. Lutfi Kirdar Training and Research Hospital Urology Clinic, Istanbul, Turkey.
Department of Otorhinolaryngology, Medipol University, Istanbul, Turkey

Flannigan R, Choy WH, Chew B, Lange D
The Stone Centre at Vancouver General Hospital, Jack Bell Research Centre, 2660 Oak Street, Vancouver, BC V6H 3Z6, Canada

Scales CD Jr, Lai JC, Dick AW, Hanley JM, van Meijgaard J, Setodji CM, Saigal CS; for the Urologic Diseases in America Project
Robert Wood Johnson Foundation Clinical Scholars Program, University of California, Los Angeles, Los Angeles2Veterans Affairs Greater Los Angeles Healthcare System, US Department of Veterans Affairs, Los Angeles, California3Department of Urology, David Ge.
RAND Corporation, Santa Monica, California.
RAND Corporation, Boston, Massachusetts.
Department of Health Policy and Management, Fielding School of Public Health, University of California, Los Angeles.
RAND Corporation, Pittsburgh, Pennsylvania.6Department of Urology, David Geffen School of Medicine, University of California, Los Angeles
RAND Corporation, Santa Monica, California.

Schnabel MJ, Gierth M, Bruendl J, Chaussy CG, Burger M, Fritsche HM
Department of Urology, Caritas St. Josef Medical Center, University of Regensburg , Regensburg, Germany