Article History
Received: 16 June 2019
Accepted: 9 October 2019
First Online: 31 October 2019
Compliance with Ethical Standards
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: The authors Alexandre Fornari, Marina Gressler, and Jean Carlos Levay Murari declare that they have no conflict of interest to declare about this study. They did not work or receive any benefit that can be linked with this study by the industry or other sponsor in the last five years. The study was supported by the authors.
: This study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. It was carried out at the Outpatient Micturition Disorders Clinic, Santa Casa de Misericórdia de Porto Alegre; Urology Department, Porto Alegre, RS, Brazil. Address: Prof. Annes Dias St, 135. Porto Alegre, Brazil. Zip code 90020-170. Phone + 55 51 3214 8000.
: This study was approved by the Santa Casa de Porto Alegre ethics committee number CAEE 15106913.0.00005335. According to the ethics committee, there is no need of informed consent due to the retrospective nature of the study, based only in medical records. All pictures received written consent to be published, kept by the corresponding author, and available if necessary. The ethical committee permission letter is available as PDF file in the supplementary material.