Funding for this research was provided by:
National Institute on Aging (R01 AG034676, R01 AG052425)
Received: 18 September 2019
Accepted: 23 December 2019
First Online: 6 January 2020
Change Date: 16 September 2020
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via the original article.
Ethics approval and consent to participate
: This study was approved by the Mayo Clinic and Olmsted Medical Center Institutional Review Boards. The study was considered minimal risk by both Institutional Review Boards; therefore, the requirement for informed consent was waived. However, records of any patient who had not provided authorization for their medical records to be used for research, as per Minnesota statute 144.335, were not included.
: Not applicable.
: The authors declare that they have no competing interests.