Nada, Taishi
Kamei, Koichi http://orcid.org/0000-0003-3528-6961
Sato, Mai
Nishi, Kentaro
Ogura, Masao
Ito, Shuichi
Article History
Received: 3 January 2023
Accepted: 27 May 2023
First Online: 8 June 2023
Declarations
:
: Koichi Kamei has received research funding from the Public Foundation of Vaccination Research Center, and the Taiju Life Social Welfare Foundation; donations from Chugai Pharmaceutical Co. Ltd., Teijin Pharma Ltd., Kyowa Kirin Co. Ltd., Shionogi & Co. Ltd., Daiichi Sankyo Co. Ltd., Mitsubishi Tanabe Pharma Co. Ltd, and Otsuka Pharmaceutical Co. Ltd.; and lecture fees from Terumo Co. Ltd., Baxter Ltd., and Zenyaku Kogyo Co., Ltd. The other authors have declared no competing interest.
: This cohort study was approved by the Ethics Committee of the National Center for Child Health and Development (approval number: 2021–218). It was conducted in accordance with the principles of the Declaration of Helsinki and Ethical Guidelines for Medical and Biological Research Involving Human Subjects issued by the Ministry of Health, Labor, and Welfare, Japan.
: Informed consent for the participants was not required in agreement with the above-mentioned guidelines.