Beyna T, Gerges C, Neuhaus H.
Evangelisches Krankenhaus Düsseldorf, Department of Gastroenterology, Düsseldorf, Germany.

Cevik B, Tuncer M, Erkal KH, Eryildirim B, Sarica K.
Dr. Lütfi Kirdar Training and Research Hospital, Urology Clinic, Şemsi Denizer caddesi, 34865, Cevizli-Kartal, Istanbul, Turkey.

Xing Y, Chen TT, Simmons WN, Sankin G, Cocks FH, Lipkin ME, Preminger GM, Zhong P.
Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina.
School of Medicine, Duke University, Durham, North Carolina.
Comprehensive Kidney Stone Center/Urologic Surgery, Duke University, Durham, North Carolina.

Wang D, Bi YW, Ji JT, Xin L, Pan J, Liao Z, Du TT, Lin JH, Zhang D, Zeng XP, Ye B, Zou WB, Chen H, Xie T, Li BR, Zheng ZH, Li ZS, Hu LH.
Department of Gastroenterology, Changhai Hospital, The Second Military Medical University, Shanghai, China.
Department of Surgery, Jinling Hospital, Nanjing, China.
Digestive Endoscopy Center, Changhai Hospital, The Second Military Medical University, Shanghai, China.
Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing, China.
Department of Gastroenterology, Air Force General Hospital, Beijing, China.
Department of Traditional Chinese Medicine, Jiangdu Hospital, Yangzhou, China.

Ordaz Jurado DG, Budia Alba A, Bahilo Mateu P, Trassierra Villa M, López-Acón D, Boronat Tormo F.
Unidad de Litotricia y Endourología, Servicio de Urología, Hospital Universitario y Politécnico La Fe, Valencia, España.