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Duff is an unpaid NANS education committee member. Rudolf Likar has received honoraria for presentations and consultancy and has received research funding from AURIMOD. Christophe Perruchoud has received research funding from AURIMOD and has received honoraria and consulting fees as member of the advisory board of Medtronic, he is president of the Swiss Neuromodulation Society. Stefan Kampusch is CEO and shareholder of AURIMOD, and inventor of several patent applications related to auricular vagus nerve stimulation. Caroline Stremnitzer is employee of AURIMOD. Andreas Wolf has received honoraria for presentations from AURIMOD. Alaa Abd-Elsayed has received consulting fees from AURIMOD, Medtronic, Curonix, Avanos and Averitas, he is a Director of NANS. Rudolf Likar and Alaa Abd-Elsayed are Editorial Board members of Pain and Therapy. Rudolf Likar and Alaa Abd-Elsayed were not involved in the selection of peer reviewers for the manuscript nor any of the subsequent editorial decisions. All other authors do not declare any conflicts of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of Interest"}},{"value":"This article is based on previously conducted studies and does not contain any new studies with human participants or animals performed by any of the authors.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical Approval"}}]}}