Funding for this research was provided by:
U.S. Department of Veterans Affairs (Senior Research Career Scientist)
Article History
Received: 6 November 2016
Accepted: 22 November 2016
First Online: 3 December 2016
Compliance with ethical standards
:
: None of the authors have any conflicts of interest to report.
: The summary data for stone analyses reported in this manuscript was approved by the Clement J. Zablocki IRB as protocol 5455-09 approved through 2016. No informed consents were necessary for the epidemiologic computer review surveys as all patient identifiers were expunged from the reviews.