Hwang, Yoon-Suk http://orcid.org/0000-0001-6952-0117
Goldstein, Harvey
Medvedev, Oleg N.
Singh, Nirbhay N.
Noh, Jae-Eun
Hand, Kirstine
Funding for this research was provided by:
Teachers Health Foundation (N/A)
Article History
First Online: 28 March 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict 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 and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants.