“…The therapeutic approaches currently available range from non‐surgical options, including rehabilitation and biofeedback, to numerous surgical interventions with different levels of technical complexity1. Among the minimally invasive treatments, injectable bulking agents have been used extensively2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18. However, the results are still controversial, resulting in some scepticism and disillusion19, 20, 21, 22, 23.…”