The authors have no competing interests in the production of this work in the last 36 months. Dr. Eckmann has a financial relationship with AVANOS Medical (Alpharetta, Georgia) as a technical consultant. Dr. Eckmann has been the applicant for education grants received by the institution (University of Texas Health Science Center, San Antonio, Texas) from Medtronic (Minneapolis, Minnesota), Boston Scientific (Marlborough, Massachusetts), and Abbot (Abbot Park, Illinois). None of the above mentioned companies produce equipment related to the work presented here nor are any specific commercial products in this article discussed or promoted.