Funding for this research was provided by:
Center for Human Reproduction (n/a)
Foundation for Reproductive Medicine (n/a)
Received: 14 September 2017
Accepted: 10 January 2018
First Online: 26 January 2018
Ethics approval and consent to participate
: Since all here addressed data were already published, publicly available, and cannot be utilized to identify individual patients, this study qualified for exemption from IRB approval.
: Not applicable
: V.A.K previously served as a consultant to the CDC. N.G., D.H.B., and V.A.K. are listed as co-owners of several already awarded and still pending U.S. patents, none related to the topic of this manuscript. N.G. is a shareholder in Fertility Nutraceuticals, LLC and owner of the CHR. N.G. and D.H.B. receive patent royalties from Fertility Nutraceuticals, LLC.
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