Funding for this research was provided by:
National Institutes of Health (R01 HL35464, UM1 CA167552)
Korea University Grant (K1808781)
National Research Foundation of Korea (NRF-2018R1C1B6008822, NRF-2018R1A4A1022589)
Article History
Received: 8 October 2019
Accepted: 3 February 2020
First Online: 14 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (Brigham and Women's Hospital and Harvard T.H. Chan School of Public Health) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.