Document is current
Any future updates will be listed below
-
Authors
Ye, Xing
Li, Fu-Rong
Pan, Qing
Li, Zhen
Yu, Gong-Qi
Liu, Hong
Liu, Jian
Huai, Peng-Cheng
Zhang, Fu-Ren
-
Funding
Funding for this research was provided by:
Shandong Provincial Medical and Health Development Project (202012050275)
- License Information
-
More Information
Article History
Received: 12 July 2021
Accepted: 14 December 2021
First Online: 4 January 2022
Declarations
:
: All procedures of the study were conducted in accordance with the ethical principles statement in the Declaration of Helsinki. Ethical approval was obtained from the Ethics Committee of Shandong Provincial Institute of Dermatology and Venereology. Participants may refuse to answer sensitive questions or provided untruthful information in the sexual and drug abuse section of the questionnaire, if they signed informed consent. Therefore, the oral informed consent was obtained from all the participants instead of written consent to improve the accuracy of the information collected. This procedure was approved by the ethics committee.
: Not applicable.
: The authors declared that they have no competing interests.
