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Lalwani, Jeffrey W. Kysar, and Aykut Aksit are co-founders of and have equity in Haystack Medical Inc., which aims to commercialize microneedle technology for treating hearing and balance disorders. Aykut Aksit is Chief Executive Officer of Haystack Medical Inc. (at the time of publication). Sten Ilmj\u00e4rv is Head of Data Science at Antion Biosciences SA, specializing in developing therapeutics using cell and gene engineering. Daniella R. Hammer, Fran\u00e7ois Voruz, Francis Rousset, Pascal Senn, Eug\u00e9nie Breil, and Elizabeth S. Olson do not have financial nor non-financial relationships to disclose. A conflict-of-interest committee at Columbia University has reviewed and approved all documents.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"27"}}