Hamano, Tsuyoshi
Li, Xinjun
Sundquist, Jan
Sundquist, Kristina
Funding for this research was provided by:
KAKENHI (18K11143)
Article History
Received: 21 January 2021
Accepted: 30 March 2021
First Online: 22 April 2021
Declarations
:
: The authors have no confict of interest to disclose.
: This study was approved by the Regional Ethical Review Board in Lund.
: The study have been approved by the appropriate institutional research ethics committee and have been performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Participant consent was not obtained as the study was based on registry information.