Implantation of Esterified Hyaluronic Acid in Microdissected Reinke’s Space after Vocal Fold Microsurgery: Short-and Long-Term Results Implantation of Esterified Hyaluronic Acid in Microdissected Reinke’s Space after Vocal Fold Microsurgery: Short-and Long-Term Results. A prospective, comparative, not randomized, clinical study