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Lee, Yang, Chueh, Park, and Yoo: The effect of first nocturnal ejaculation timing on risk and sexual behaviors of Korean male adolescents
Addendum: Ethical statement

Ann Pediatr Endocrinol Metab 2018;23(1):56-56.

Published online: 22 March 2018

DOI: https://doi.org/10.6065/apem.2018.23.1.56

The effect of first nocturnal ejaculation timing on risk and sexual behaviors of Korean male adolescents

Mi-Ji Lee, MD1, Go-Eun Yang, MD1, Hee Won Chueh, MD, PhD1, Jae Hong Park, MD, PhD2, Jae-Ho Yoo, MD, PhD1

1Department of Pediatrics, Dong-A University College of Medicine, Busan, Korea

2Department of Psychiatry, Dong-A University College of Medicine, Busan, Korea

© 2018 Annals of Pediatric Endocrinology & Metabolism

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Ann Pediatr Endocrinol Metab 2017 Mar;22(1):43-48.
In this article, the ethical statement was omitted unintentionally. The ethical statement should be added as follows:

Ethical statement

IRB approval was exempted according to the “Enforcement rule of bioethics and safety act” available from: http://www.law.go.kr/LSW/lsInfoP.do?lsiSeq=184877#0000. National authorized statistical number of Korean Government was 117058 (2005.09.30). Subjects who agreed in participation were included for the survey.
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