Qin CP, Wang F, DU YQ, Zhang XW, Li Q, Liu SJ, Xu T.
Department of Urology, Peking Univesity People's Hospital, Beijing 100044, China.

Yi JH, Li ZS, Hu LH.
Department of Gastroenterology, Shanghai Changhai Hospital, 168 Changhai Road, Shanghai, 200433, China.
Department of Gastroenterology, Shanghai Changhai Hospital, 168 Changhai Road, Shanghai, 200433, China.
Department of Gastroenterology, Shanghai Changhai Hospital, 168 Changhai Road, Shanghai, 200433, China.

Nedbal C, Cerrato C, Jahrreiss V, Pietropaolo A, Galosi AB, Castellani D, Somani BK.
University Hospital Southampton NHS Foundation Trust, 7425, Urology, Southampton, United Kingdom of Great Britain and Northern Ireland;
University Hospital Southampton NHS Foundation Trust, 7425, Urology, Southampton, United Kingdom of Great Britain and Northern Ireland;
University Hospital Southampton NHS Foundation Trum.st, 7425, Urology, Southampton, United Kingdom of Great Britain and Northern Ireland;
University Hospital Southampton NHS Foundation Trust, 7425, Urology, Southampton, United Kingdom of Great Britain and Northern Ireland;
Azienda Ospedaliero Universitaria Ospedali Riuniti di Ancona Umberto I G M Lancisi G Salesi, 18494, Urology, Via Conca, Ancona, Marche, Italy, I-60100.
Polytechnic University of Marche, 9294, Ancona, Italy, 60121;
AOU Ospedali Riuniti di Ancona, 18494, via conca 71, Ancona, Italy, 60126;
University Hospital Southampton NHS Foundation Trust, 7425, Urology, Southampton, United Kingdom of Great Britain and Northern Ireland

Vo AK, Somani BK, Ulvik Ø, Beisland C, Seitz C, Juliebø-Jones P.
Department of Urology, Haukeland University Hospital, Bergen, Norway.
Department of Urology, University Hospital Southampton, UK.
Department of Clinical Medicine, University of Bergen, Bergen, Norway.
Department of Urology, Medical University of Vienna, Austria.

Almeras C, Abid N, Meria P; lithiasis committee of the French Association of Urology (CLAFU).
UroSud, clinique La Croix du Sud, Quint-Fonsegrives, Paris, France. Electronic
Edouard Herriot Hospital, Department of Urology and Transplantation Surgery, Hospices Civils de Lyon, Lyon, France.
Service d'urologie, hôpital Saint-Louis, AP-HP-Centre Université Paris Cité, Paris, France.