Corrigendum: Ovarian tissue cryopreservation and transplantation: 20 years experience in Bologna University - Fabbri, Raffaella; Vicenti, Rossella; Magnani, Valentina; Paradisi, Roberto; Lima, Mario; De Meis, Lucia; Rossi, Stefania; Raimondo, Diego; Casadio, Paolo; Venturoli, Stefano; Maffi, Michela; Seracchioli, Renato (Frontiers in Endocrinology, 2022)